L\u1ea5n chi\u1ebfm:<\/strong> T\u1ea5t c\u1ea3 c\u00e1c c\u1ea7u th\u1ee7 \u0111\u1ed1i ph\u01b0\u01a1ng ph\u1ea3i \u0111\u1ee9ng c\u00e1ch xa \u0111i\u1ec3m th\u1ef1c hi\u1ec7n qu\u1ea3 n\u00e9m bi\u00ean \u00edt nh\u1ea5t hai th\u01b0\u1edbc. N\u1ebfu kh\u00f4ng l\u00e0m nh\u01b0 v\u1eady c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn c\u1ea3nh c\u00e1o ho\u1eb7c th\u1eadm ch\u00ed b\u1ecb \u0111u\u1ed5i kh\u1ecfi s\u00e2n.<\/li>\n<\/ul>\nC\u1eadp nh\u1eadp c\u00e1c k\u1ef9 thu\u1eadt n\u00e9m bi\u00ean trong b\u00f3ng \u0111\u00e1<\/h2>\n
N\u00e9m bi\u00ean c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t ph\u1ea7n thi\u1ebft y\u1ebfu trong chi\u1ebfn l\u01b0\u1ee3c c\u1ee7a m\u1ed9t \u0111\u1ed9i, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u1edf ph\u1ea7n s\u00e2n t\u1ea5n c\u00f4ng. Do \u0111\u00f3, vi\u1ec7c t\u00ecm hi\u1ec3u k\u1ef9 v\u1ec1 c\u00e1c k\u1ef9 thu\u1eadt n\u00e9m bi\u00ean b\u00f3ng \u0111\u00e1 l\u00e0 r\u1ea5t quan tr\u1ecdng. T\u00f9y theo t\u1eebng v\u1ecb tr\u00ed \u0111\u1ee9ng v\u00e0 chi\u1ebfn thu\u1eadt m\u00e0 c\u00e1c c\u1ea7u th\u1ee7 tr\u00ean s\u00e2n c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n nh\u1eefng c\u00fa n\u00e9m sau:<\/p>\n