\u0110\u1ec3 gi\u00fap anh em hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 b\u1ea3n ch\u1ea5t c\u1ee7a ch\u00fang th\u00ec ta h\u00e3y c\u00f9ng \u0111i ph\u00e2n t\u00edch v\u00e0 t\u00ecm ra c\u00e1ch t\u00ednh hay v\u00e0 chu\u1ea9n nh\u1ea5t \u0111ang \u0111\u01b0\u1ee3c c\u00e1c l\u00e3o l\u00e0ng th\u01b0\u1eddng xuy\u00ean \u00e1p d\u1ee5ng.<\/span>X\u00e1c su\u1ea5t l\u00f4 v\u1ec1 c\u1ea3 c\u1eb7p l\u00e0 g\u00ec?<\/strong><\/p>\n X\u00e1c su\u1ea5t l\u00f4 v\u1ec1 c\u1ea3 c\u1eb7p<\/strong> l\u00e0 \u0111\u1ecbnh ngh\u0129a v\u1ec1 c\u00e1ch \u0111\u00e1nh l\u00f4 \u0111\u1ec1 m\u00e0 ng\u01b0\u1eddi ch\u01a1i c\u1ea7n \u00e1p d\u1ee5ng nh\u1eefng c\u00f4ng th\u1ee9c, c\u00e1ch t\u00ednh kh\u00e1c nhau \u0111\u1ec3 \u0111\u1ecbnh v\u1ecb \u0111\u01b0\u1ee3c nh\u1eefng con l\u00f4 n\u00e0o c\u00f3 t\u1ef7 l\u1ec7 cao s\u1ebd n\u1ed5 trong c\u00f9ng m\u1ed9t k\u1ef3 quay th\u01b0\u1edfng.<\/p>\n Theo nh\u1eefng ng\u01b0\u1eddi ch\u01a1i nhi\u1ec1u kinh nghi\u1ec7m th\u00ec khi m\u1ed9t l\u00f4 xu\u1ea5t hi\u1ec7n s\u1ebd c\u00f3 m\u1ed9t ho\u1eb7c m\u1ed9t v\u00e0i c\u1eb7p s\u1ed1 kh\u00e1c c\u0169ng n\u1ed5 g\u1ea7n v\u1edbi th\u1eddi \u0111i\u1ec3m \u0111\u00f3 nh\u1ea5t, ng\u01b0\u1eddi ta g\u1ecdi \u0111\u00f3 l\u00e0 nh\u1eefng c\u1eb7p s\u1ed1 ra c\u1ea3 c\u1eb7p.<\/p>\n