{"id":40245,"date":"2026-07-02T07:06:32","date_gmt":"2026-07-02T07:06:32","guid":{"rendered":"https:\/\/www.china-acrylicmirror.com\/he-thong-chieu-sang-guong-hai-chieu-nguyen-nhan-gay-hong-va-cach-khac-phuc\/"},"modified":"2026-10-31T07:08:17","modified_gmt":"2026-10-31T07:08:17","slug":"two-way-mirror-lighting","status":"publish","type":"post","link":"https:\/\/www.china-acrylicmirror.com\/vi\/two-way-mirror-lighting\/","title":{"rendered":"H\u1ec7 th\u1ed1ng chi\u1ebfu s\u00e1ng g\u01b0\u01a1ng hai chi\u1ec1u: Nguy\u00ean nh\u00e2n g\u00e2y h\u1ecfng v\u00e0 c\u00e1ch kh\u1eafc ph\u1ee5c"},"content":{"rendered":"\n

M\u1ed9t s\u1ed1 kh\u00e1ch h\u00e0ng th\u1eafc m\u1eafc: \u201cG\u01b0\u01a1ng hai chi\u1ec1u \u0111\u00e3 \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t xong, v\u00e0 m\u1ecdi th\u1ee9 \u0111\u1ec1u ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng trong qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m, nh\u01b0ng gi\u1edd th\u00ec n\u00f3 kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng n\u1eefa \u2014 nh\u1eefng ng\u01b0\u1eddi \u1edf ph\u00eda c\u00f3 \u0111\u00e8n chi\u1ebfu s\u00e1ng c\u00f3 th\u1ec3 nh\u00ecn xuy\u00ean qua g\u01b0\u01a1ng sang ph\u00eda b\u00ean kia.\u201d B\u1ea3n th\u00e2n chi\u1ebfc g\u01b0\u01a1ng kh\u00f4ng c\u00f3 g\u00ec thay \u0111\u1ed5i, v\u00e0 c\u00e1ch l\u1eafp \u0111\u1eb7t c\u0169ng tr\u00f4ng v\u1eabn nh\u01b0 c\u0169. \u0110i\u1ec1u \u0111\u00e3 thay \u0111\u1ed5i ch\u00ednh l\u00e0 h\u1ec7 th\u1ed1ng chi\u1ebfu s\u00e1ng.<\/p>\n\n

H\u1ec7 th\u1ed1ng chi\u1ebfu s\u00e1ng cho g\u01b0\u01a1ng hai chi\u1ec1u th\u01b0\u1eddng g\u1eb7p s\u1ef1 c\u1ed1 theo nh\u1eefng c\u00e1ch c\u00f3 th\u1ec3 d\u1ef1 \u0111o\u00e1n \u0111\u01b0\u1ee3c, v\u00e0 h\u1ea7u h\u1ebft c\u00e1c v\u1ea5n \u0111\u1ec1 \u0111\u1ec1u xu\u1ea5t ph\u00e1t t\u1eeb c\u00f9ng m\u1ed9t nguy\u00ean nh\u00e2n: s\u1ef1 ch\u00eanh l\u1ec7ch v\u1ec1 m\u1ee9c \u0111\u1ed9 \u00e1nh s\u00e1ng gi\u1eefa m\u1eb7t s\u00e1ng v\u00e0 m\u1eb7t t\u1ed1i l\u00e0 kh\u00f4ng \u0111\u1ee7, ho\u1eb7c \u0111\u00e3 x\u1ea3y ra nh\u1eefng thay \u0111\u1ed5i v\u00e0o m\u1ed9t s\u1ed1 th\u1eddi \u0111i\u1ec3m trong ng\u00e0y ho\u1eb7c trong m\u1ed9t s\u1ed1 \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng nh\u1ea5t \u0111\u1ecbnh m\u00e0 ng\u01b0\u1eddi l\u1eafp \u0111\u1eb7t ch\u01b0a ki\u1ec3m tra. B\u1ea3n th\u00e2n t\u1ea5m g\u01b0\u01a1ng \u0111ang ho\u1ea1t \u0111\u1ed9ng ch\u00ednh x\u00e1c nh\u01b0 mong \u0111\u1ee3i; v\u1ea5n \u0111\u1ec1 n\u1eb1m \u1edf h\u1ec7 th\u1ed1ng chi\u1ebfu s\u00e1ng.<\/p>\n\n

B\u00e0i vi\u1ebft n\u00e0y s\u1ebd gi\u1ea3i th\u00edch l\u00fd do t\u1ea1i sao t\u1ef7 l\u1ec7 \u00e1nh s\u00e1ng n\u00e0y kh\u00f4ng hi\u1ec7u qu\u1ea3, nh\u1eefng con s\u1ed1 n\u00e0y c\u00f3 \u00fd ngh\u0129a nh\u01b0 th\u1ebf n\u00e0o trong c\u00e1c c\u0103n ph\u00f2ng th\u1ef1c t\u1ebf, c\u00e1ch \u0111\u00e1nh gi\u00e1 xem m\u1ee9c ch\u00eanh l\u1ec7ch \u00e1nh s\u00e1ng c\u1ee7a b\u1ea1n c\u00f3 \u0111\u1ee7 hay kh\u00f4ng, v\u00e0 trong nh\u1eefng t\u00ecnh hu\u1ed1ng c\u1ee5 th\u1ec3 n\u00e0o th\u00ec v\u1ea5n \u0111\u1ec1 c\u00f3 kh\u1ea3 n\u0103ng x\u1ea3y ra cao nh\u1ea5t.<\/p>\n\n

T\u1ef7 l\u1ec7 n\u00e0y th\u1ef1c s\u1ef1 c\u00f3 \u00fd ngh\u0129a g\u00ec<\/h2>\n\n

\u201cT\u1ef7 l\u1ec7 10:1\u201d \u0111\u01b0\u1ee3c coi l\u00e0 ti\u00eau chu\u1ea9n ph\u1ed5 bi\u1ebfn cho \u0111\u1ed9 chi\u1ebfu s\u00e1ng c\u1ee7a g\u01b0\u01a1ng hai chi\u1ec1u. Tuy nhi\u00ean, c\u00e1c gi\u00e1 tr\u1ecb th\u1ef1c t\u1ebf \u0111\u01b0\u1ee3c tr\u00edch d\u1eabn trong c\u00e1c t\u00e0i li\u1ec7u k\u1ef9 thu\u1eadt l\u1ea1i th\u1ea5p h\u01a1n m\u1ed9t ch\u00fat. Trong c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a TwoWayMirrors.com<\/a> \u2014 \u2014 bao g\u1ed3m d\u1eef li\u1ec7u quang h\u1ecdc \u0111\u01b0\u1ee3c \u0111o l\u01b0\u1eddng theo ti\u00eau chu\u1ea9n ASTM v\u00e0 NFRC \u2014 t\u1ef7 l\u1ec7 \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb cho g\u01b0\u01a1ng hai chi\u1ec1u ti\u00eau chu\u1ea9n (\u0111\u1ed9 ph\u1ea3n x\u1ea1 68%, \u0111\u1ed9 truy\u1ec1n qua 11%) \u0111\u01b0\u1ee3c \u0111\u1eb7t \u1edf m\u1ee9c 8:1 gi\u1eefa m\u1eb7t quan s\u00e1t v\u00e0 m\u1eb7t \u0111\u01b0\u1ee3c quan s\u00e1t. N\u1ebfu kh\u00f4ng \u0111\u00e1p \u1ee9ng ng\u01b0\u1ee1ng n\u00e0y, ph\u00eda ng\u01b0\u1eddi quan s\u00e1t s\u1ebd tr\u1edf n\u00ean nh\u00ecn th\u1ea5y \u0111\u01b0\u1ee3c khi \u00e1nh s\u00e1ng \u0111i qua g\u01b0\u01a1ng t\u1eeb ph\u00eda s\u00e1ng h\u01a1n.<\/p>\n\n

T\u1ef7 l\u1ec7 10:1 th\u01b0\u1eddng \u0111\u01b0\u1ee3c nh\u1eafc \u0111\u1ebfn l\u00e0 m\u1ed9t m\u1ee5c ti\u00eau th\u1ef1c ti\u1ec5n h\u1ee3p l\u00fd nh\u1eb1m \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t \u1ed5n \u0111\u1ecbnh trong c\u00e1c \u0111i\u1ec1u ki\u1ec7n kh\u00e1c nhau (ch\u1eb3ng h\u1ea1n nh\u01b0 s\u1ef1 thay \u0111\u1ed5i c\u1ee7a \u00e1nh s\u00e1ng ban ng\u00e0y, kh\u1ea3 n\u0103ng th\u00edch \u1ee9ng c\u1ee7a m\u1eaft v\u00e0 g\u00f3c nh\u00ecn). T\u1ef7 l\u1ec7 8:1 l\u00e0 ti\u00eau chu\u1ea9n t\u1ed1i thi\u1ec3u. Kho\u1ea3ng c\u00e1ch gi\u1eefa hai gi\u00e1 tr\u1ecb n\u00e0y \u0111\u00f3ng vai tr\u00f2 l\u00e0 bi\u00ean \u0111\u1ed9 linh ho\u1ea1t \u0111\u1ec3 th\u00edch \u1ee9ng v\u1edbi nh\u1eefng bi\u1ebfn \u0111\u1ed9ng trong c\u00e1c \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf.<\/p>\n\n

T\u1ef7 l\u1ec7 n\u00e0y c\u1ee5 th\u1ec3 m\u00f4 t\u1ea3 \u0111\u1ed9 r\u1ecdi \u1edf c\u1ea3 hai m\u1eb7t c\u1ee7a t\u1ea5m g\u01b0\u01a1ng, \u0111\u01b0\u1ee3c \u0111o b\u1eb1ng \u0111\u01a1n v\u1ecb lux. T\u1ef7 l\u1ec7 8:1 kh\u00f4ng c\u00f3 ngh\u0129a l\u00e0 c\u0103n ph\u00f2ng s\u00e1ng ph\u1ea3i r\u1ed9ng g\u1ea5p t\u00e1m l\u1ea7n ho\u1eb7c c\u1ea7n s\u1ed1 l\u01b0\u1ee3ng thi\u1ebft b\u1ecb chi\u1ebfu s\u00e1ng g\u1ea5p t\u00e1m l\u1ea7n; \u0111i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 m\u1ee9c \u0111\u1ed9 r\u1ecdi \u0111\u01b0\u1ee3c \u0111o \u1edf m\u1eb7t s\u00e1ng c\u1ee7a t\u1ea5m g\u01b0\u01a1ng ph\u1ea3i \u00edt nh\u1ea5t g\u1ea5p t\u00e1m l\u1ea7n m\u1ee9c \u0111\u1ed9 r\u1ecdi \u0111\u01b0\u1ee3c \u0111o \u1edf m\u1eb7t t\u1ed1i.<\/p>\n\n

\"So
S\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 kho\u1ea3ng c\u00e1ch c\u1ee7a \u00e1nh s\u00e1ng so v\u1edbi g\u01b0\u01a1ng hai chi\u1ec1u trong h\u00ecnh \u1ea3nh<\/figcaption><\/figure>\n\n

T\u1ea1i sao l\u1ea1i l\u00e0 t\u1ef7 l\u1ec7 8:1 \u1edf b\u1ec1 m\u1eb7t g\u01b0\u01a1ng, ch\u1ee9 kh\u00f4ng ph\u1ea3i trong ph\u00f2ng?<\/h3>\n\n

\u0110i\u1ec3m n\u00e0y th\u01b0\u1eddng b\u1ecb c\u00e1c k\u1ef9 thu\u1eadt vi\u00ean l\u1eafp \u0111\u1eb7t hi\u1ec3u nh\u1ea7m. \u0110\u1ed9 s\u00e1ng c\u1ee7a ph\u00f2ng v\u00e0 \u0111\u1ed9 r\u1ecdi tr\u00ean b\u1ec1 m\u1eb7t g\u01b0\u01a1ng kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t. M\u1ed9t ph\u00f2ng c\u00f3 th\u1ec3 c\u00f3 \u00e1nh s\u00e1ng tr\u1ea7n r\u1ea5t s\u00e1ng, nh\u01b0ng n\u1ebfu \u00e1nh s\u00e1ng \u0111\u01b0\u1ee3c chi\u1ebfu h\u01b0\u1edbng v\u1ec1 ph\u00eda b\u00e0n l\u00e0m vi\u1ec7c ho\u1eb7c b\u00e0n thao t\u00e1c thay v\u00ec chi\u1ebfu v\u00e0o g\u01b0\u01a1ng, \u0111\u1ed9 r\u1ecdi tr\u00ean b\u1ec1 m\u1eb7t g\u01b0\u01a1ng v\u1eabn c\u00f3 th\u1ec3 th\u1ea5p. Ng\u01b0\u1ee3c l\u1ea1i, ngay c\u1ea3 khi ph\u00f2ng tr\u00f4ng c\u00f3 v\u1ebb t\u1ed1i, \u0111\u1ed9 r\u1ecdi tr\u00ean b\u1ec1 m\u1eb7t g\u01b0\u01a1ng v\u1eabn c\u00f3 th\u1ec3 cao n\u1ebfu c\u00f3 \u00e1nh s\u00e1ng chi\u1ebfu tr\u1ef1c ti\u1ebfp v\u00e0o \u0111\u00f3.<\/p>\n\n

\u0110\u1ec3 c\u1ea3 hai m\u1eb7t c\u1ee7a t\u1ea5m g\u01b0\u01a1ng \u0111\u1ec1u c\u00f3 kh\u1ea3 n\u0103ng ph\u1ea3n chi\u1ebfu, \u00e1nh s\u00e1ng ph\u1ea3i chi\u1ebfu v\u00e0o b\u1ec1 m\u1eb7t g\u01b0\u01a1ng t\u1eeb ph\u00eda s\u00e1ng h\u01a1n. \u0110\u00e8n tr\u1ea7n chi\u1ebfu xu\u1ed1ng s\u00e0n kh\u00f4ng hi\u1ec7u qu\u1ea3 b\u1eb1ng c\u00e1c thi\u1ebft b\u1ecb chi\u1ebfu s\u00e1ng \u0111\u1ecbnh h\u01b0\u1edbng \u0111\u01b0\u1ee3c \u0111\u1eb7t g\u1ea7n t\u1ea5m g\u01b0\u01a1ng trong vi\u1ec7c c\u1ea3i thi\u1ec7n t\u1ef7 l\u1ec7 ph\u1ea3n x\u1ea1.<\/p>\n\n

Nguy\u00ean t\u1eafc t\u01b0\u01a1ng t\u1ef1 c\u0169ng \u00e1p d\u1ee5ng cho m\u1eb7t t\u1ed1i. M\u1ed9t c\u0103n ph\u00f2ng c\u00f3 t\u01b0\u1eddng t\u1ed1i v\u00e0 kh\u00f4ng c\u00f3 \u0111\u00e8n chi\u1ebfu s\u00e1ng t\u1eeb tr\u00ean cao c\u00f3 th\u1ec3 tr\u00f4ng g\u1ea7n nh\u01b0 t\u1ed1i \u0111en nh\u01b0 m\u1ef1c \u0111\u1ed1i v\u1edbi m\u1eaft ng\u01b0\u1eddi, nh\u01b0ng m\u1ed9t m\u00e0n h\u00ecnh \u0111ang s\u00e1ng, \u0111\u00e8n ch\u1edd c\u1ee7a m\u00e0n h\u00ecnh m\u00e1y t\u00ednh ho\u1eb7c \u0111\u00e8n b\u00e1o hi\u1ec7u \u0111\u1ec1u c\u00f3 th\u1ec3 t\u1ea1o ra \u0111\u1ed9 r\u1ecdi c\u00f3 th\u1ec3 \u0111o l\u01b0\u1eddng \u0111\u01b0\u1ee3c tr\u00ean b\u1ec1 m\u1eb7t g\u01b0\u01a1ng v\u00e0 l\u00e0m gi\u1ea3m hi\u1ec7u \u1ee9ng n\u00e0y \u2014 \u0111\u1eb7c bi\u1ec7t l\u00e0 sau khi m\u1eaft ng\u01b0\u1eddi quan s\u00e1t \u0111\u00e3 th\u00edch nghi v\u1edbi b\u00f3ng t\u1ed1i.<\/p>\n\n

\u0110\u00e1nh gi\u00e1 xem t\u1ef7 l\u1ec7 c\u1ee7a b\u1ea1n c\u00f3 \u0111\u1ee7 hay kh\u00f4ng<\/h2>\n\n

M\u00e1y \u0111o \u0111\u1ed9 s\u00e1ng (lux meter) \u2014 m\u1ed9t thi\u1ebft b\u1ecb \u0111o \u00e1nh s\u00e1ng c\u1ea7m tay gi\u00e1 r\u1ebb, c\u00f3 gi\u00e1 d\u01b0\u1edbi 30 \u0111\u00f4 la v\u00e0 d\u1ec5 d\u00e0ng t\u00ecm mua \u2014 l\u00e0 c\u00f4ng c\u1ee5 thi\u1ebft th\u1ef1c \u0111\u1ec3 ki\u1ec3m tra t\u1ef7 l\u1ec7 gi\u1eefa s\u00e1ng v\u00e0 t\u1ed1i. N\u1ebfu kh\u00f4ng ti\u1ebfn h\u00e0nh \u0111o \u0111\u1ea1c, b\u1ea1n ch\u1ec9 c\u00f3 th\u1ec3 ph\u1ecfng \u0111o\u00e1n m\u00e0 th\u00f4i.<\/p>\n\n

Ph\u01b0\u01a1ng ph\u00e1p:<\/p>\n\n

    \n
  1. \u0110\u1eb7t c\u1ea3m bi\u1ebfn c\u1ee7a m\u00e1y \u0111o \u0111\u1ed9 s\u00e1ng v\u00e0o m\u1eb7t g\u01b0\u01a1ng ph\u00eda s\u00e1ng, h\u01b0\u1edbng ra ngo\u00e0i v\u1ec1 ph\u00eda ph\u00f2ng. Ghi l\u1ea1i gi\u00e1 tr\u1ecb \u0111o \u0111\u01b0\u1ee3c.<\/li>\n\n\n\n
  2. L\u1eb7p l\u1ea1i quy tr\u00ecnh n\u00e0y \u1edf ph\u00eda t\u1ed1i, \u0111\u1ed3ng th\u1eddi b\u1eadt t\u1ea5t c\u1ea3 c\u00e1c ngu\u1ed3n \u00e1nh s\u00e1ng xung quanh c\u00f3 th\u1ec3 xu\u1ea5t hi\u1ec7n trong \u0111i\u1ec1u ki\u1ec7n s\u1eed d\u1ee5ng th\u1ef1c t\u1ebf.<\/li>\n\n\n\n
  3. Chia gi\u00e1 tr\u1ecb \u0111o \u0111\u01b0\u1ee3c t\u1eeb ph\u00eda s\u00e1ng cho gi\u00e1 tr\u1ecb \u0111o \u0111\u01b0\u1ee3c t\u1eeb ph\u00eda t\u1ed1i.<\/li>\n<\/ol>\n\n
    \"Cách
    S\u01a1 \u0111\u1ed3 minh h\u1ecda c\u00e1ch \u0111o \u0111\u1ed9 r\u1ecdi c\u1ee7a g\u01b0\u01a1ng hai chi\u1ec1u<\/figcaption><\/figure>\n\n

    N\u1ebfu t\u1ef7 l\u1ec7 n\u00e0y nh\u1ecf h\u01a1n 8:1, \u00e1nh s\u00e1ng s\u1ebd kh\u00f4ng \u1ed5n \u0111\u1ecbnh. N\u1ebfu t\u1ef7 l\u1ec7 n\u00e0y l\u1edbn h\u01a1n 10:1, h\u1ec7 th\u1ed1ng l\u1eafp \u0111\u1eb7t s\u1ebd c\u00f3 bi\u00ean \u0111\u1ed9 an to\u00e0n. N\u1ebfu gi\u00e1 tr\u1ecb \u0111o \u0111\u01b0\u1ee3c \u1edf ph\u00eda t\u1ed1i g\u1ea7n b\u1eb1ng kh\u00f4ng trong khi gi\u00e1 tr\u1ecb \u0111o \u0111\u01b0\u1ee3c \u1edf ph\u00eda s\u00e1ng r\u1ea5t cao, h\u00e3y \u0111\u00f3ng c\u1eeda l\u1ea1i, \u0111\u1ee3i m\u01b0\u1eddi ph\u00fat \u1edf ph\u00eda t\u1ed1i, r\u1ed3i ki\u1ec3m tra l\u1ea1i \u2014 s\u1ef1 th\u00edch \u1ee9ng th\u1ecb gi\u00e1c (s\u1ebd \u0111\u01b0\u1ee3c gi\u1ea3i th\u00edch chi ti\u1ebft h\u01a1n b\u00ean d\u01b0\u1edbi) c\u00f3 th\u1ec3 l\u00e0m thay \u0111\u1ed5i tr\u1ea3i nghi\u1ec7m th\u1ef1c t\u1ebf, ngay c\u1ea3 khi c\u00e1c gi\u00e1 tr\u1ecb \u0111o \u0111\u01b0\u1ee3c v\u1eabn kh\u00f4ng thay \u0111\u1ed5i.<\/p>\n\n

    H\u00e3y ti\u1ebfn h\u00e0nh th\u1eed nghi\u1ec7m v\u00e0o th\u1eddi \u0111i\u1ec3m trong ng\u00e0y m\u00e0 h\u1ec7 th\u1ed1ng s\u1ebd th\u1ef1c s\u1ef1 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng. M\u1ed9t h\u1ec7 th\u1ed1ng c\u00f3 t\u1ef7 l\u1ec7 15:1 v\u00e0o ban \u0111\u00eam c\u00f3 th\u1ec3 gi\u1ea3m xu\u1ed1ng d\u01b0\u1edbi 8:1 v\u00e0o ban ng\u00e0y n\u1ebfu c\u00f3 c\u1eeda s\u1ed5 \u1edf ph\u00eda t\u1ed1i.<\/p>\n\n

    B\u1ed1n k\u1ecbch b\u1ea3n s\u1ef1 c\u1ed1<\/h2>\n\n

    D\u1ef1a tr\u00ean c\u00e1c th\u00f4ng tin li\u00ean quan m\u00e0 ch\u00fang t\u00f4i thu th\u1eadp \u0111\u01b0\u1ee3c, b\u1ed1n t\u00ecnh hu\u1ed1ng sau \u0111\u00e2y l\u00e0 nh\u1eefng t\u00ecnh hu\u1ed1ng c\u00f3 kh\u1ea3 n\u0103ng cao nh\u1ea5t d\u1eabn \u0111\u1ebfn \u201cs\u1ef1 c\u1ed1 g\u01b0\u01a1ng m\u1ed9t chi\u1ec1u\u201d.<\/p>\n\n

    Ph\u00f2ng quan s\u00e1t \u1edf h\u00e0nh lang<\/h3>\n\n

    \u0110\u00e2y l\u00e0 t\u00ecnh hu\u1ed1ng ph\u1ed5 bi\u1ebfn kh\u00f3 kh\u0103n nh\u1ea5t, v\u00e0 TwoWayMirrors \u0111\u00e3 \u0111\u1ec1 c\u1eadp tr\u1ef1c ti\u1ebfp \u0111\u1ebfn v\u1ea5n \u0111\u1ec1 n\u00e0y trong \u201cH\u01b0\u1edbng d\u1eabn mua ph\u00f2ng quan s\u00e1t\u201d<\/em><\/a> c\u1ee7a h\u1ecd: h\u1ecd m\u00f4 t\u1ea3 \u0111\u00e2y l\u00e0 y\u00eau c\u1ea7u m\u00e0 nhi\u1ec1u nh\u00e0 l\u1eafp \u0111\u1eb7t c\u1ea3m th\u1ea5y kh\u00f3 \u0111\u00e1p \u1ee9ng nh\u1ea5t, th\u00f4ng qua v\u00ed d\u1ee5 c\u1ee5 th\u1ec3 v\u1ec1 c\u1eeda v\u00e0 c\u1eeda s\u1ed5 ph\u00f2ng b\u1ec7nh, trong \u0111\u00f3 ng\u01b0\u1eddi quan s\u00e1t \u0111\u1ee9ng \u1edf h\u00e0nh lang. \u0110\u00e1nh gi\u00e1 th\u1ef1c t\u1ebf c\u1ee7a h\u1ecd l\u00e0 qu\u1ea3 th\u1ef1c r\u1ea5t kh\u00f3 \u0111\u1ec3 duy tr\u00ec \u0111\u1ed9 t\u1ed1i \u0111\u1ee7 trong m\u1ed9t h\u00e0nh lang \u0111\u00f4ng \u0111\u00fac so v\u1edbi m\u1ed9t ph\u00f2ng b\u1ec7nh vi\u1ec7n \u0111\u01b0\u1ee3c chi\u1ebfu s\u00e1ng t\u1ed1t. Khuy\u1ebfn ngh\u1ecb c\u1ee7a h\u1ecd trong t\u00ecnh hu\u1ed1ng n\u00e0y l\u00e0 l\u1eafp th\u00eam \u0111\u00e8n chi\u1ebfu h\u01b0\u1edbng g\u1ea7n g\u01b0\u01a1ng \u1edf ph\u00eda ng\u01b0\u1eddi \u0111\u01b0\u1ee3c quan s\u00e1t, thay v\u00ec c\u1ed1 g\u1eafng l\u00e0m m\u1edd \u00e1nh s\u00e1ng h\u00e0nh lang \u2014 \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 ho\u00e0n to\u00e0n kh\u00f4ng kh\u1ea3 thi n\u1ebfu h\u00e0nh lang l\u00e0 l\u1ed1i \u0111i chung.<\/p>\n\n

    C\u00e1c khuy\u1ebfn ngh\u1ecb b\u1ed5 sung c\u1ee7a h\u1ecd nh\u1eb1m c\u1ea3i thi\u1ec7n t\u1ef7 l\u1ec7 t\u01b0\u01a1ng ph\u1ea3n m\u00e0 kh\u00f4ng c\u1ea7n ph\u00f2ng t\u1ed1i chuy\u00ean d\u1ee5ng bao g\u1ed3m: l\u1eafp th\u00eam \u0111\u00e8n chi\u1ebfu s\u00e1ng \u1edf ph\u00eda s\u00e1ng g\u1ea7n g\u01b0\u01a1ng \u0111\u1ec3 t\u0103ng \u0111\u1ed9 r\u1ecdi tr\u00ean b\u1ec1 m\u1eb7t g\u01b0\u01a1ng; v\u00e0 s\u01a1n t\u01b0\u1eddng ph\u00eda quan s\u00e1t b\u1eb1ng m\u00e0u x\u00e1m \u0111\u1eadm, g\u1ea7n nh\u01b0 m\u1edd (h\u1ecd \u0111\u1ec1 xu\u1ea5t m\u1ed9t t\u00f4ng m\u00e0u g\u1ea7n gi\u1ed1ng m\u00e0u x\u00e1m th\u00e9p s\u00fang) \u0111\u1ec3 gi\u1ea3m \u00e1nh s\u00e1ng ph\u1ea3n x\u1ea1 tr\u1edf l\u1ea1i g\u01b0\u01a1ng t\u1eeb ph\u00eda quan s\u00e1t.<\/p>\n\n

    Chi\u1ebfc g\u01b0\u01a1ng th\u00f4ng minh trong m\u1ed9t c\u0103n ph\u00f2ng s\u00e1ng s\u1ee7a<\/h3>\n\n

    C\u00e1c chi\u1ebfc g\u01b0\u01a1ng th\u00f4ng minh \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t trong nh\u00e0 b\u1ebfp, ph\u00f2ng t\u1eafm c\u00f3 c\u1eeda s\u1ed5 ho\u1eb7c b\u1ea5t k\u1ef3 ph\u00f2ng n\u00e0o c\u00f3 \u00e1nh s\u00e1ng t\u1ef1 nhi\u00ean m\u1ea1nh \u0111\u1ec1u g\u1eb7p ph\u1ea3i nh\u1eefng v\u1ea5n \u0111\u1ec1 c\u1ea5u tr\u00fac t\u01b0\u01a1ng t\u1ef1 nh\u01b0 nh\u1eefng chi\u1ebfc g\u01b0\u01a1ng trong h\u00e0nh lang, nh\u01b0ng theo h\u01b0\u1edbng ng\u01b0\u1ee3c l\u1ea1i: \u201cm\u1eb7t t\u1ed1i\u201d l\u00e0 m\u00e0n h\u00ecnh v\u00e0 c\u0103n ph\u00f2ng ch\u1ee9a n\u00f3, trong khi \u201cm\u1eb7t s\u00e1ng\u201d l\u00e0 m\u00f4i tr\u01b0\u1eddng xung quanh chi\u1ebfc g\u01b0\u01a1ng. Trong ph\u00f2ng \u0111\u00f3n n\u1eafng v\u00e0o ban ng\u00e0y, \u0111\u1ed9 r\u1ecdi m\u00f4i tr\u01b0\u1eddng t\u1ea1i b\u1ec1 m\u1eb7t g\u01b0\u01a1ng c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng v\u01b0\u1ee3t qu\u00e1 \u0111\u1ed9 s\u00e1ng do m\u00e0n h\u00ecnh t\u1ea1o ra, l\u00e0m \u0111\u1ea3o ng\u01b0\u1ee3c s\u1ef1 ch\u00eanh l\u1ec7ch \u0111\u1ed9 s\u00e1ng v\u00e0 khi\u1ebfn m\u00e0n h\u00ecnh g\u1ea7n nh\u01b0 kh\u00f4ng th\u1ec3 nh\u00ecn th\u1ea5y.<\/p>\n\n

    C\u00f3 hai gi\u1ea3i ph\u00e1p kh\u1ea3 thi. Gi\u1ea3i ph\u00e1p th\u1ee9 nh\u1ea5t l\u00e0 t\u0103ng \u0111\u1ed9 s\u00e1ng c\u1ee7a m\u00e0n h\u00ecnh \u2014 m\u1ed9t m\u00e0n h\u00ecnh c\u00f3 \u0111\u1ed9 s\u00e1ng cao (nit) \u0111\u01b0\u1ee3c \u0111\u1eb7t g\u1ea7n m\u1eb7t sau c\u1ee7a g\u01b0\u01a1ng s\u1ebd mang l\u1ea1i m\u1ee9c \u0111\u1ed9 chi\u1ebfu s\u00e1ng cao h\u01a1n so v\u1edbi m\u1ed9t m\u00e0n h\u00ecnh m\u1edd h\u01a1n ho\u1eb7c \u0111\u01b0\u1ee3c \u0111\u1eb7t \u1edf v\u1ecb tr\u00ed xa h\u01a1n. Gi\u1ea3i ph\u00e1p th\u1ee9 hai l\u00e0 ki\u1ec3m so\u00e1t \u00e1nh s\u00e1ng xung quanh t\u1ea1i v\u1ecb tr\u00ed c\u1ee7a g\u01b0\u01a1ng: l\u1eafp g\u01b0\u01a1ng h\u01a1i l\u00f5m v\u00e0o trong ho\u1eb7c l\u1eafp m\u1ed9t t\u1ea5m ch\u1eafn s\u00e1ng m\u1ecfng c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m g\u00f3c chi\u1ebfu c\u1ee7a \u00e1nh s\u00e1ng xung quanh l\u00ean b\u1ec1 m\u1eb7t m\u00e0 kh\u00f4ng c\u1ea7n ph\u1ea3i l\u00e0m t\u1ed1i to\u00e0n b\u1ed9 c\u0103n ph\u00f2ng.<\/p>\n\n

    \u0110\u1ed9 r\u1ecdi ph\u1ea3n x\u1ea1 t\u1eeb m\u00e0n h\u00ecnh gi\u1ea3m theo b\u00ecnh ph\u01b0\u01a1ng c\u1ee7a kho\u1ea3ng c\u00e1ch. Vi\u1ec7c gi\u1ea3m m\u1ed9t n\u1eeda kho\u1ea3ng c\u00e1ch gi\u1eefa m\u00e0n h\u00ecnh v\u00e0 m\u1eb7t sau c\u1ee7a g\u01b0\u01a1ng c\u00f3 th\u1ec3 l\u00e0m t\u0103ng g\u1ea5p kho\u1ea3ng b\u1ed1n l\u1ea7n l\u01b0\u1ee3ng quang th\u00f4ng \u0111\u00f3ng g\u00f3p \u2014 vi\u1ec7c \u0111i\u1ec1u ch\u1ec9nh v\u1ecb tr\u00ed c\u1ee7a m\u00e0n h\u00ecnh so v\u1edbi g\u01b0\u01a1ng th\u01b0\u1eddng l\u00e0 gi\u1ea3i ph\u00e1p hi\u1ec7u qu\u1ea3 nh\u1ea5t v\u1ec1 m\u1eb7t chi ph\u00ed tr\u01b0\u1edbc khi th\u1ef1c hi\u1ec7n b\u1ea5t k\u1ef3 thay \u0111\u1ed5i n\u00e0o v\u1ec1 h\u1ec7 th\u1ed1ng chi\u1ebfu s\u00e1ng.<\/p>\n\n

    \n
    \"Gương<\/figure>\n\n\n\n
    \"Sử<\/figure>\n<\/figure>\n\n

    T\u1ef7 l\u1ec7 ch\u00ednh x\u00e1c s\u1ebd ng\u1eebng ho\u1ea1t \u0111\u1ed9ng khi tr\u1eddi ch\u1ea1ng v\u1ea1ng<\/h3>\n\n

    M\u1ed9t h\u1ec7 th\u1ed1ng ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng v\u00e0o ban ng\u00e0y nh\u01b0ng l\u1ea1i g\u1eb7p tr\u1ee5c tr\u1eb7c v\u00e0o ban \u0111\u00eam (ho\u1eb7c ng\u01b0\u1ee3c l\u1ea1i) h\u1ea7u nh\u01b0 lu\u00f4n l\u00e0 do m\u1ed9t b\u00ean c\u1ee7a h\u1ec7 th\u1ed1ng ph\u1ea3i ch\u1ecbu t\u00e1c \u0111\u1ed9ng c\u1ee7a \u00e1nh s\u00e1ng t\u1ef1 nhi\u00ean bi\u1ebfn \u0111\u1ed5i. C\u00e1c c\u1eeda s\u1ed5 \u1edf ph\u00eda r\u00e2m m\u00e1t cung c\u1ea5p m\u1ed9t m\u1ee9c \u0111\u1ed9 h\u1ed7 tr\u1ee3 nh\u1ea5t \u0111\u1ecbnh cho ph\u00eda c\u00f3 \u00e1nh n\u1eafng v\u00e0o ban ng\u00e0y, nh\u01b0ng khi \u00e1nh s\u00e1ng ban ng\u00e0y nh\u1ea1t d\u1ea7n, s\u1ef1 c\u00e2n b\u1eb1ng s\u1ebd thay \u0111\u1ed5i.<\/p>\n\n

    Ph\u01b0\u01a1ng ph\u00e1p ch\u1ea9n \u0111o\u00e1n n\u00e0y bao g\u1ed3m vi\u1ec7c th\u1ef1c hi\u1ec7n c\u00e1c b\u00e0i ki\u1ec3m tra v\u00e0o nhi\u1ec1u th\u1eddi \u0111i\u1ec3m kh\u00e1c nhau trong ng\u00e0y. M\u1ed9t khi \u0111\u00e3 x\u00e1c nh\u1eadn \u0111\u01b0\u1ee3c s\u1ef1 c\u1ed1 ph\u1ee5 thu\u1ed9c v\u00e0o th\u1eddi gian, gi\u1ea3i ph\u00e1p th\u01b0\u1eddng l\u00e0 che ch\u1eafn ngu\u1ed3n \u00e1nh s\u00e1ng t\u1ef1 nhi\u00ean \u1edf ph\u00eda t\u1ed1i, thay v\u00ec li\u00ean t\u1ee5c t\u0103ng c\u01b0\u1eddng \u00e1nh s\u00e1ng nh\u00e2n t\u1ea1o. R\u00e8m c\u1ea3n s\u00e1ng, b\u1ecbt k\u00edn c\u00e1c khe h\u1edf c\u1eeda ho\u1eb7c che c\u1eeda s\u1ed5 \u0111\u1ec1u c\u00f3 th\u1ec3 gi\u00fap thi\u1ebft l\u1eadp m\u1ed9t m\u1ee9c c\u01a1 s\u1edf \u1ed5n \u0111\u1ecbnh, kh\u00f4ng dao \u0111\u1ed9ng theo th\u1eddi gian.<\/p>\n\n

    S\u1ef1 th\u00edch \u1ee9ng c\u1ee7a m\u1eaft \u1edf ph\u00eda ng\u01b0\u1eddi quan s\u00e1t<\/h3>\n\n

    Ngay c\u1ea3 khi t\u1ef7 l\u1ec7 \u0111o l\u01b0\u1eddng t\u1ea1i b\u1ec1 m\u1eb7t g\u01b0\u01a1ng l\u00e0 ch\u00ednh x\u00e1c, tr\u1ea3i nghi\u1ec7m ch\u1ee7 quan c\u1ee7a ng\u01b0\u1eddi quan s\u00e1t v\u1eabn c\u00f3 th\u1ec3 thay \u0111\u1ed5i sau khi \u1edf trong m\u1ed9t kh\u00f4ng gian t\u1ed1i trong m\u1ed9t kho\u1ea3ng th\u1eddi gian. Th\u1ecb gi\u00e1c con ng\u01b0\u1eddi c\u00f3 kh\u1ea3 n\u0103ng th\u00edch nghi v\u1edbi \u00e1nh s\u00e1ng y\u1ebfu, \u0111\u1ed9 nh\u1ea1y c\u1ea3m s\u1ebd t\u0103ng l\u00ean trong kho\u1ea3ng 20\u201330 ph\u00fat; m\u1ed9t ng\u01b0\u1eddi quan s\u00e1t \u0111\u00e3 \u1edf trong ph\u00f2ng t\u1ed1i n\u1eeda gi\u1edd s\u1ebd nh\u00ecn th\u1ea5y m\u1eb7t s\u00e1ng r\u00f5 h\u01a1n so v\u1edbi l\u00fac m\u1edbi b\u01b0\u1edbc v\u00e0o ph\u00f2ng.<\/p>\n\n

    \u0110i\u1ec1u n\u00e0y kh\u00f4ng l\u00e0m thay \u0111\u1ed5i c\u00e1c t\u00ednh ch\u1ea5t v\u1eadt l\u00fd \u2014 \u0111\u1ed9 truy\u1ec1n s\u00e1ng l\u00e0 c\u1ed1 \u0111\u1ecbnh \u2014 nh\u01b0ng l\u1ea1i thay \u0111\u1ed5i tr\u1ea3i nghi\u1ec7m th\u1ef1c t\u1ebf. \u0110\u1ed1i v\u1edbi c\u00e1c t\u00e1c ph\u1ea9m s\u1eafp \u0111\u1eb7t ch\u1ee7 y\u1ebfu d\u00e0nh cho vi\u1ec7c quan s\u00e1t trong th\u1eddi gian d\u00e0i, m\u1eb7t t\u1ed1i c\u1ea7n c\u00f3 t\u1ef7 l\u1ec7 ch\u00eanh l\u1ec7ch l\u1edbn h\u01a1n so v\u1edbi t\u1ef7 l\u1ec7 t\u1ed1i thi\u1ec3u 8:1. T\u1ef7 l\u1ec7 \u0111o \u0111\u01b0\u1ee3c l\u00e0 12:1 ho\u1eb7c cao h\u01a1n s\u1ebd \u0111\u1ea3m b\u1ea3o hi\u1ec7u \u1ee9ng th\u1ecb gi\u00e1c nh\u1ea5t qu\u00e1n ngay c\u1ea3 khi m\u1eaft \u0111\u00e3 th\u00edch nghi ho\u00e0n to\u00e0n.<\/p>\n\n

    H\u00e3y \u0111\u00e1nh gi\u00e1 t\u00f9y theo t\u00ecnh hu\u1ed1ng<\/h3>\n\n
    Nh\u1eefng g\u00ec b\u1ea1n th\u1ea5y<\/th>Nguy\u00ean nh\u00e2n c\u00f3 th\u1ec3<\/th>Ki\u1ec3m tra \u1edf \u0111\u00e2u<\/th><\/tr><\/thead>
    Ph\u00eda quan s\u00e1t c\u00f3 th\u1ec3 nh\u00ecn th\u1ea5y t\u1eeb ph\u00eda s\u00e1ng, m\u1ecdi l\u00fac<\/td>T\u1ef7 l\u1ec7 d\u01b0\u1edbi 8:1<\/td>\u0110o \u0111\u1ed9 lux tr\u00ean b\u1ec1 m\u1eb7t g\u01b0\u01a1ng \u1edf c\u1ea3 hai ph\u00eda<\/td><\/tr>
    Ho\u1ea1t \u0111\u1ed9ng v\u00e0o ban \u0111\u00eam, kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng v\u00e0o ban ng\u00e0y<\/td>\u00c1nh s\u00e1ng t\u1ef1 nhi\u00ean \u1edf ph\u00eda t\u1ed1i<\/td>Khe h\u1edf c\u1eeda s\u1ed5, c\u1eeda ra v\u00e0o \u1edf ph\u00eda ng\u01b0\u1eddi quan s\u00e1t<\/td><\/tr>
    Ban \u0111\u1ea7u ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng, nh\u01b0ng sau 15\u201320 ph\u00fat th\u00ec g\u1eb7p s\u1ef1 c\u1ed1<\/td>S\u1ef1 th\u00edch \u1ee9ng c\u1ee7a m\u1eaft ng\u01b0\u1eddi quan s\u00e1t<\/td>T\u0103ng t\u1ef7 l\u1ec7 l\u00ean 12:1 ho\u1eb7c cao h\u01a1n<\/td><\/tr>
    M\u00e0n h\u00ecnh hi\u1ec3n th\u1ecb nh\u01b0ng m\u1edd (g\u01b0\u01a1ng th\u00f4ng minh)<\/td>\u0110\u1ed9 s\u00e1ng m\u00e0n h\u00ecnh ho\u1eb7c kho\u1ea3ng c\u00e1ch<\/td>\u0110\u01a1n v\u1ecb nits c\u1ee7a m\u00e0n h\u00ecnh, kho\u1ea3ng c\u00e1ch t\u1eeb m\u00e0n h\u00ecnh \u0111\u1ebfn g\u01b0\u01a1ng<\/td><\/tr>
    C\u00e1c v\u00f9ng kh\u00f4ng \u0111\u1ed3ng nh\u1ea5t c\u00f3 th\u1ec3 quan s\u00e1t \u0111\u01b0\u1ee3c t\u1eeb ph\u00eda s\u00e1ng<\/td>\u0110\u1ed9 r\u1ecdi kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u \u1edf m\u1eb7t s\u00e1ng<\/td>H\u01b0\u1edbng \u00e1nh s\u00e1ng v\u00e0o b\u1ec1 m\u1eb7t g\u01b0\u01a1ng<\/td><\/tr><\/tbody><\/table><\/figure>\n\n
    \n\n

    N\u1ebfu t\u1ef7 l\u1ec7 lux \u0111o \u0111\u01b0\u1ee3c l\u00e0 ch\u00ednh x\u00e1c nh\u01b0ng h\u1ec7 th\u1ed1ng v\u1eabn kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng \u0111\u00fang c\u00e1ch, b\u1ea1n n\u00ean ki\u1ec3m tra t\u1ea5m g\u01b0\u01a1ng. H\u00e3y \u0111\u1ea3m b\u1ea3o m\u1eb7t ph\u1ea3n chi\u1ebfu h\u01b0\u1edbng v\u1ec1 ph\u00eda s\u00e1ng h\u01a1n \u2014 nh\u01b0 \u0111\u00e3 m\u00f4 t\u1ea3 trong H\u01b0\u1edbng<\/a> d\u1eabn<\/a> L\u1eafp<\/a> \u0111\u1eb7t<\/a> v\u00e0 H\u01b0\u1edbng d\u1eabn<\/a> S\u1eed d\u1ee5ng G\u01b0\u01a1ng<\/a> Hai Chi\u1ec1u<\/a>, vi\u1ec7c l\u1eafp \u0111\u1eb7t g\u01b0\u01a1ng ng\u01b0\u1ee3c l\u1ea1i th\u01b0\u1eddng x\u1ea3y ra h\u01a1n b\u1ea1n t\u01b0\u1edfng. Ngo\u00e0i ra, h\u00e3y ki\u1ec3m tra t\u1ef7 l\u1ec7 ph\u1ea3n x\u1ea1\/truy\u1ec1n qua c\u1ee7a t\u1ea5m g\u01b0\u01a1ng: trong thi\u1ebft l\u1eadp chi\u1ebfu s\u00e1ng 8:1, t\u1ea5m g\u01b0\u01a1ng 50\/50 s\u1ebd ho\u1ea1t \u0111\u1ed9ng k\u00e9m h\u01a1n t\u1ea5m g\u01b0\u01a1ng 70\/30 v\u00ec nhi\u1ec1u \u00e1nh s\u00e1ng t\u1eeb ph\u00eda s\u00e1ng s\u1ebd \u0111i qua thay v\u00ec \u0111\u01b0\u1ee3c ph\u1ea3n x\u1ea1 tr\u1edf l\u1ea1i. Khi \u0111\u1ed9 truy\u1ec1n s\u00e1ng c\u1ee7a t\u1ea5m g\u01b0\u01a1ng t\u0103ng l\u00ean, t\u1ef7 l\u1ec7 chi\u1ebfu s\u00e1ng c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u \u1ee9ng t\u01b0\u01a1ng t\u1ef1 c\u0169ng t\u0103ng theo.<\/p>\n\n

    \u0110\u1ed1i v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng l\u1eafp \u0111\u1eb7t m\u00e0 kh\u00f4ng th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 t\u01b0\u01a1ng ph\u1ea3n \u0111\u1ee7 cao ch\u1ec9 b\u1eb1ng c\u00e1ch \u0111i\u1ec1u ch\u1ec9nh \u00e1nh s\u00e1ng, vi\u1ec7c chuy\u1ec3n sang s\u1eed d\u1ee5ng t\u1ea5m g\u01b0\u01a1ng c\u00f3 \u0111\u1ed9 ph\u1ea3n x\u1ea1 cao h\u01a1n \u2014 v\u00ed d\u1ee5 nh\u01b0 thay th\u1ebf t\u1ea5m g\u01b0\u01a1ng t\u1ef7 l\u1ec7 50\/50 b\u1eb1ng t\u1ea5m g\u01b0\u01a1ng t\u1ef7 l\u1ec7 70\/30 \u2014 c\u00f3 th\u1ec3 gi\u00fap gi\u1ea3m t\u1ea3i \u00e1nh s\u00e1ng. \u0110\u1ed5i l\u1ea1i, \u0111\u1ed9 hi\u1ec3n th\u1ecb tr\u00ean m\u00e0n h\u00ecnh g\u01b0\u01a1ng th\u00f4ng minh s\u1ebd gi\u1ea3m, ho\u1eb7c tr\u01b0\u1eddng nh\u00ecn s\u1ebd h\u01a1i m\u1edd h\u01a1n khi quan s\u00e1t t\u1eeb ph\u00eda ng\u01b0\u1eddi quan s\u00e1t trong ph\u00f2ng quan s\u00e1t. \u0110\u00e2y l\u00e0 m\u1ed9t s\u1ef1 \u0111\u00e1nh \u0111\u1ed5i th\u1ef1c s\u1ef1 ch\u1ee9 kh\u00f4ng ph\u1ea3i l\u00e0 gi\u1ea3i ph\u00e1p mi\u1ec5n ph\u00ed, nh\u01b0ng trong nh\u1eefng t\u00ecnh hu\u1ed1ng kh\u00f4ng th\u1ec3 ki\u1ec3m so\u00e1t ho\u00e0n to\u00e0n \u00e1nh s\u00e1ng, \u0111i\u1ec1u n\u00e0y s\u1ebd nghi\u00eang c\u00e1n c\u00e2n v\u1ec1 ph\u00eda hi\u1ec7u \u1ee9ng g\u01b0\u01a1ng.<\/p>\n","protected":false},"excerpt":{"rendered":"

    M\u1ed9t s\u1ed1 kh\u00e1ch h\u00e0ng th\u1eafc m\u1eafc: \u201cG\u01b0\u01a1ng hai chi\u1ec1u \u0111\u00e3 \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t xong, v\u00e0 m\u1ecdi th\u1ee9 \u0111\u1ec1u ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng trong qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m, nh\u01b0ng gi\u1edd th\u00ec n\u00f3 kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng n\u1eefa \u2014 nh\u1eefng ng\u01b0\u1eddi \u1edf ph\u00eda c\u00f3 \u0111\u00e8n chi\u1ebfu s\u00e1ng c\u00f3 th\u1ec3 nh\u00ecn xuy\u00ean qua g\u01b0\u01a1ng sang ph\u00eda b\u00ean kia.\u201d B\u1ea3n […]<\/p>\n","protected":false},"author":1,"featured_media":40247,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[113],"tags":[],"class_list":["post-40245","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-guong-hai-chieu"],"yoast_head":"\n\u00c1nh s\u00e1ng cho g\u01b0\u01a1ng hai chi\u1ec1u: T\u1ea1i sao l\u1ea1i g\u1eb7p s\u1ef1 c\u1ed1 v\u00e0 c\u00e1ch kh\u1eafc ph\u1ee5c - DHUA<\/title>\n<meta name=\"description\" content=\"S\u1ef1 ch\u00eanh l\u1ec7ch \u00e1nh s\u00e1ng ch\u00ednh l\u00e0 y\u1ebfu t\u1ed1 duy nh\u1ea5t gi\u00fap g\u01b0\u01a1ng hai chi\u1ec1u ho\u1ea1t \u0111\u1ed9ng. 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