L\u00f4 tr\u01b0\u1ee3t ngh\u0129a l\u00e0 g\u00ec ? L\u00f4 tr\u01b0\u1ee3t hay c\u00f2n l\u00e0 nh\u1eefng con l\u00f4 kh\u00f4ng v\u1ec1. \u0110\u00e1nh l\u00f4 tr\u01b0\u1ee3t l\u00e0 g\u00ec ?\u00a0\u00a0Khi ch\u01a1i l\u00f4 tr\u01b0\u1ee3t, thay v\u00ec t\u00ecm nh\u1eefng con l\u00f4 c\u00f3 x\u00e1c su\u1ea5t v\u1ec1 cao, ng\u01b0\u1eddi ch\u01a1i l\u1ea1i ch\u1ecdn con l\u00f4 c\u00f3 kh\u1ea3 n\u0103ng cao tr\u1eadt.<\/p>\n
D\u00e0n l\u00f4 tr\u01b0\u1ee3t g\u1ed3m nhi\u1ec1u s\u1ed1 c\u00f3 th\u1ec3 l\u00ean \u0111\u1ebfn 10, tuy nhi\u00ean ng\u01b0\u1eddi ch\u01a1i th\u01b0\u1eddng ch\u1ecdn kho\u1ea3ng 4 \u2013 6 s\u1ed1 l\u00e0 ph\u00f9 h\u1ee3p nh\u1ea5t.<\/p>\n
C\u00e1ch ch\u1ecdn ra l\u00f4 tr\u01b0\u1ee3t h\u00f4m nay c\u00f3 r\u1ea5t nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p. \u0110\u00e1nh l\u00f4 tr\u01b0\u1ee3t c\u0169ng gi\u1ed1ng nh\u01b0 c\u00e1ch \u0111\u00e1nh l\u00f4 th\u00f4ng th\u01b0\u1eddng, c\u0169ng \u00e1p d\u1ee5ng soi s\u1ed1 v\u00e0 ph\u00e2n t\u00edch k\u0129 l\u01b0\u1ee1ng \u0111\u1ec3 t\u00ecm ra d\u00e0n l\u00f4 tr\u01b0\u1ee3t h\u00e0ng ng\u00e0y x\u00e1c su\u1ea5t tr\u01b0\u1ee3t cao.<\/p>\n
Ch\u01a1i l\u00f4 tr\u01b0\u1ee3t mi\u1ec1n b\u1eafc \u0111\u00e3 c\u00f3 t\u1eeb l\u00e2u v\u1edbi nh\u1eefng c\u1ea7u l\u00f4 tr\u01b0\u1ee3t ph\u1ed5 bi\u1ebfn, tuy nhi\u00ean nh\u1eefng c\u00e1ch \u0111\u00e1nh l\u00f4 tr\u01b0\u1ee3t n\u00e0y c\u00e0ng tr\u1edf n\u00ean ph\u1ed5 bi\u1ebfn h\u01a1n v\u1edbi s\u1ef1 ra \u0111\u1eddi c\u1ee7a trang web l\u00f4 \u0111\u1ec1 uy t\u00edn.<\/p>\n
\u0110\u00e1nh l\u00f4 tr\u01b0\u1ee3t c\u00f3 l\u1eddi l\u00e0 v\u00ec nh\u1edd m\u1ed9t s\u1ed1 quy lu\u1eadt trong l\u00f4 \u0111\u1ec1 soi l\u00f4 tr\u01b0\u1ee3t c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c ch\u1eafc ch\u1eafn 90 \u2013 100% con l\u00f4 \u0111\u00f3 kh\u00f4ng n\u1ed5, ch\u1ecdn ra con l\u00f4 \u0111\u00f3 v\u00e0 \u0111\u00e1nh. T\u1ec9 l\u1ec7 l\u00e3i c\u1ee7a l\u00f4 tr\u01b0\u1ee3t c\u0169ng kh\u00e1 cao, \u0111\u01b0\u1ee3c nhi\u1ec1u ng\u01b0\u1eddi ch\u01a1i h\u01b0\u1edfng \u1ee9ng. \u0110\u1eb7c bi\u1ec7t d\u00e0n l\u00f4 tr\u01b0\u1ee3t c\u00e0ng d\u00e0i th\u00ec t\u1ef7 l\u1ec7 \u0103n l\u00f4 tr\u01b0\u1ee3t c\u00e0ng l\u1edbn.<\/p>\n