Trong gi\u1edbi ch\u01a1i l\u00f4 \u0111\u1ec1 ch\u1eafc h\u1eb3n \u0111\u00e3 c\u00f3 r\u1ea5t nhi\u1ec1u c\u00e1c cao th\u1ee7 soi c\u1ea7u l\u00f4 \u0111\u1ec1 \u0111\u00e3 theo c\u00e1ch \u0111\u00e1nh l\u00f4 \u0111\u1ea7u c\u00e2m \u0111\u00edt c\u00e2m chu\u1ea9n x\u00e1c<\/strong>. Trong qu\u00e1 tr\u00ecnh quan s\u00e1t v\u00e0 tr\u1ea3i nghi\u1ec7m \u0111\u00e3 c\u00f3 r\u1ea5t nhi\u1ec1u c\u00e1c cao th\u1ee7 tr\u00fang s\u1ed1 l\u00f4 \u0111\u1ec1 v\u1edbi m\u1ee9c ti\u1ec1n th\u01b0\u1edfng kh\u1ee7ng v\u1edbi ph\u01b0\u01a1ng ph\u00e1p \u0111\u00e1nh l\u00f4 \u0111\u1ea7u \u0111\u00edt c\u00e2m.<\/p>\n Theo t\u1ed5ng k\u1ebft t\u1eeb \u0111\u1ed9i ng\u0169 soi c\u1ea7u\u00a0L\u00f4 \u0110\u1ec1<\/strong> v\u00e0 c\u00e1c cao th\u1ee7 \u0111\u00e1nh l\u00f4 \u0111\u1ec1 hay tr\u00fang th\u01b0\u1edfng \u0111\u00fac k\u1ebft ra kinh nghi\u1ec7m r\u1eb1ng n\u1ebfu l\u00f4 \u0111\u1ec1 h\u00f4m tr\u01b0\u1edbc c\u00e2m \u0111\u1ea7u:<\/p>\nKinh nghi\u1ec7m \u0111\u00e1nh l\u00f4 \u0111\u1ea7u c\u00e2m<\/h2>\n