K\u1ebft lu\u1eadn<\/a><\/li><\/ul><\/nav><\/div>\n\nCh\u01a1i d\u00e0n \u0111\u1ec1 20 s\u1ed1 \u0111\u01b0\u1ee3c hi\u1ec3u l\u00e0 ph\u01b0\u01a1ng ph\u00e1p d\u1ef1 \u0111o\u00e1n \u0111\u00fang KQXS ph\u1ee5 thu\u1ed9c v\u00e0o vi\u1ec7c quan s\u00e1t v\u00e0 r\u00fat ra \u0111\u01b0\u1ee3c m\u1ed9t d\u00e3y 20 s\u1ed1 t\u1eeb 00 \u0111\u1ebfn 99. N\u00f3 d\u1ef1 \u0111o\u00e1n s\u1ebd xu\u1ea5t hi\u1ec7n trong k\u1ebft qu\u1ea3 x\u1ed5 s\u1ed1 tung m\u1ed7i ng\u00e0y.<\/span><\/p>\nTh\u00e0nh vi\u00ean s\u1ebd ph\u00e2n t\u00edch th\u1eadt k\u1ef9 l\u01b0\u1ee1ng v\u00e0 th\u1ed1ng k\u00ea t\u1ea7n su\u1ea5t b\u1eaft g\u1eb7p c\u00e1c s\u1ed1 may m\u1eafn. Th\u00f4ng th\u01b0\u1eddng, ch\u00fang hay xu\u1ea5t hi\u1ec7n c\u00f9ng nhau, ti\u1ec1m n\u0103ng th\u1eafng l\u1edbn. Sau \u0111\u00f3, c\u1ea7m n\u00f3 \u0111\u00e1nh li\u00ean ti\u1ebfp trong kho\u1ea3ng th\u1eddi gian ho\u1eb7c chu k\u1ef3 nh\u1ea5t \u0111\u1ecbnh.<\/span><\/p>\nC\u00e1ch th\u1ef1c hi\u1ec7n n\u00e0y thu h\u00fat \u0111\u00f4ng \u0111\u1ea3o c\u1ed9ng \u0111\u1ed3ng ng\u01b0\u1eddi ch\u01a1i tham gia v\u00e0 \u0111em l\u1ea1i hi\u1ec7u qu\u1ea3 cao. Tr\u00ean th\u1ef1c t\u1ebf, b\u1ea1n c\u00f3 th\u1ec3 l\u1eadp khung t\u1eeb 1 \u0111\u1ebfn 3 h\u00f4m l\u00e0 th\u1eddi gian th\u00edch h\u1ee3p nh\u1ea5t \u0111\u1ec3 \u0111em ch\u00fang \u0111i \u0111\u00e1nh. \u0110\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng v\u1ec1 b\u1edd an to\u00e0n, r\u1ee7ng r\u1ec9nh ti\u1ec1n t\u00fai.<\/span><\/p>\n