C\u1ea7u l\u00f4 ch\u1ea1y \u1ed5n \u0111\u1ecbnh nh\u1ea5t l\u00e0 g\u00ec?<\/b><\/span><\/h5>\nB\u1ea1n c\u00f3 th\u1ec3 hi\u1ec3u c\u1ea7u l\u00f4 ch\u1ea1y \u1ed5n \u0111\u1ecbnh nh\u1ea5t ngh\u0129a l\u00e0 x\u00e1c su\u1ea5t thay \u0111\u1ed5i c\u1ee7a c\u1ea7u l\u00f4 \u0111\u00f3 r\u1ea5t th\u1ea5p c\u00f3 th\u1ec3 l\u00e0 kh\u00f4ng \u0111\u1ed5i. Trong m\u1ed9t kho\u1ea3ng th\u1eddi gian g\u1ea7n nh\u1ea5t l\u00f4 \u0111\u00f3 v\u1eabn n\u1ed5 ra th\u01b0\u1eddng xuy\u00ean, li\u00ean t\u1ee5c \u1ed5n \u0111\u1ecbnh v\u1ecb tr\u00ed nh\u01b0 v\u1eady.<\/p>\n
Vi\u1ec7c x\u00e1c \u0111\u1ecbnh c\u1ea7u l\u00f4 \u1ed5n \u0111\u1ecbnh c\u00f2n d\u1ef1a theo khung th\u1eddi gian gi\u1edbi h\u1ea1n m\u00e0 ng\u01b0\u1eddi ch\u01a1i t\u1ef1 \u0111\u1eb7t m\u1ed1c nh\u01b0: m\u1ed9t tu\u1ea7n, m\u1ed9t th\u00e1ng, ba th\u00e1ng,\u2026 hay m\u1ed9t n\u0103m.<\/p>\n
C\u00e1c b\u01b0\u1edbc c\u1ea7u l\u00f4 ch\u1ea1y \u1ed5n \u0111\u1ecbnh nh\u1ea5t<\/b><\/span><\/h5>\n\u0110\u1ec3 t\u00ecm \u0111\u01b0\u1ee3c c\u1ea7u l\u00f4 \u0111\u1eb9p th\u01b0\u1eddng xuy\u00ean ra trong m\u1ed9t kho\u1ea3ng th\u1eddi gian d\u00e0i t\u1ea7m m\u1ed9t th\u00e1ng \u0111\u1ebfn 1,5 th\u00e1ng th\u00ec b\u1ea1n c\u1ea7n ph\u1ea3i ghi nh\u1edb hai b\u01b0\u1edbc quan tr\u1ecdng nh\u01b0 sau:<\/p>\n
\u0110\u1ec3 t\u00ecm \u0111\u01b0\u1ee3c c\u1ea7u l\u00f4 \u0111\u1eb9p th\u01b0\u1eddng xuy\u00ean ra trong m\u1ed9t kho\u1ea3ng th\u1eddi gian d\u00e0i t\u1ea7m m\u1ed9t th\u00e1ng \u0111\u1ebfn 1,5 th\u00e1ng th\u00ec b\u1ea1n c\u1ea7n ph\u1ea3i ghi nh\u1edb hai b\u01b0\u1edbc quan tr\u1ecdng nh\u01b0 sau:<\/p>\n