<\/span><\/h3>\nBi\u1ec7n ph\u00e1p \u1ea9n d\u1ee5 l\u00e0 vi\u1ec7c g\u1ecdi t\u00ean s\u1ef1 v\u1eadt, s\u1ef1 vi\u1ec7c ho\u1eb7c hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y b\u1eb1ng t\u00ean c\u1ee7a s\u1ef1 v\u1eadt, s\u1ef1 vi\u1ec7c ho\u1eb7c hi\u1ec7n t\u01b0\u1ee3ng kh\u00e1c c\u00f3 quan h\u1ec7 g\u1ea7n g\u0169i nh\u1eb1m t\u0103ng t\u00ednh g\u1ee3i h\u00ecnh v\u00e0 c\u1ea3m x\u00fac trong di\u1ec5n \u0111\u1ea1t. C\u00f3 4 lo\u1ea1i bi\u1ec7n ph\u00e1p \u1ea9n d\u1ee5:
\n– \u1ea8n d\u1ee5 h\u00ecnh th\u1ee9c: Ng\u01b0\u1eddi vi\u1ebft ho\u1eb7c n\u00f3i gi\u1ea5u \u0111i m\u1ed9t ph\u1ea7n \u00fd ngh\u0129a d\u1ef1a tr\u00ean n\u00e9t t\u01b0\u01a1ng \u0111\u1ed3ng v\u1ec1 h\u00ecnh th\u1ee9c. V\u00ed d\u1ee5: “V\u1ec1 th\u0103m qu\u00ea B\u00e1c l\u00e0ng Sen\/ C\u00f3 h\u00e0ng r\u00e2m b\u1ee5t th\u1eafp l\u00ean l\u1eeda h\u1ed3ng.”
\n– \u1ea8n d\u1ee5 c\u00e1ch th\u1ee9c: G\u1ecdi t\u00ean s\u1ef1 v\u1eadt, s\u1ef1 vi\u1ec7c n\u00e0y b\u1eb1ng t\u00ean s\u1ef1 v\u1eadt, s\u1ef1 vi\u1ec7c kh\u00e1c c\u00f3 n\u00e9t t\u01b0\u01a1ng \u0111\u1ed3ng v\u1ec1 c\u00e1ch th\u1ee9c. V\u00ed d\u1ee5: “U\u1ed1ng n\u01b0\u1edbc nh\u1edb ngu\u1ed3n.”
\n– \u1ea8n d\u1ee5 v\u1ec1 ph\u1ea9m ch\u1ea5t: T\u01b0\u01a1ng \u0111\u1ed3ng v\u1ec1 ph\u1ea9m ch\u1ea5t. V\u00ed d\u1ee5: “Thuy\u1ec1n v\u1ec1 c\u00f3 nh\u1edb b\u1ebfn ch\u0103ng\/ B\u1ebfn th\u00ec m\u1ed9t d\u1ea1 kh\u0103ng kh\u0103ng \u0111\u1ee3i thuy\u1ec1n.”
\n– \u1ea8n d\u1ee5 chuy\u1ec3n \u0111\u1ed5i c\u1ea3m gi\u00e1c: Mi\u00eau t\u1ea3 t\u00ednh ch\u1ea5t, \u0111\u1eb7c \u0111i\u1ec3m s\u1ef1 v\u1eadt th\u00f4ng qua gi\u00e1c quan n\u00e0y nh\u01b0ng \u0111\u01b0\u1ee3c mi\u00eau t\u1ea3 qua t\u1eeb ng\u1eef c\u1ee7a gi\u00e1c quan kh\u00e1c. V\u00ed d\u1ee5: “Ng\u00e0y ng\u00e0y \u0111i qua tr\u00ean l\u0103ng\/ Th\u1ea5y m\u1ed9t m\u1eb7t tr\u1eddi trong l\u0103ng r\u1ea5t \u0111\u1ecf.”<\/p>\n
\u0110\u00e2y ch\u1ec9 l\u00e0 m\u1ed9t s\u1ed1 bi\u1ec7n ph\u00e1p tu t\u1eeb ph\u1ed5 bi\u1ebfn, ngo\u00e0i ra c\u00f2n t\u1ed3n t\u1ea1i nhi\u1ec1u lo\u1ea1i tu t\u1eeb kh\u00e1c nh\u01b0 n\u00f3i qu\u00e1, n\u00f3i gi\u1ea3m n\u00f3i tr\u00e1nh, \u0111i\u1ec7p t\u1eeb, ch\u01a1i ch\u1eef, t\u01b0\u01a1ng ph\u1ea3n v\u00e0 li\u1ec7t k\u00ea. S\u1eed d\u1ee5ng c\u00e1c bi\u1ec7n ph\u00e1p tu t\u1eeb kh\u00f4ng ch\u1ec9 l\u00e0m cho v\u0103n vi\u1ebft v\u00e0 di\u1ec5n \u0111\u1ea1t th\u00eam sinh \u0111\u1ed9ng v\u00e0 truy\u1ec1n c\u1ea3m x\u00fac m\u00e0 c\u00f2n th\u1ec3 hi\u1ec7n t\u00ednh ngh\u1ec7 thu\u1eadt v\u00e0 s\u1ef1 \u0111a d\u1ea1ng trong ng\u00f4n ng\u1eef Ti\u1ebfng Vi\u1ec7t.<\/p>\n
Bi\u1ec7n ph\u00e1p tu t\u1eeb l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p s\u1eed d\u1ee5ng t\u1eeb ng\u1eef v\u00e0 c\u00e2u ch\u1eef m\u1ed9t c\u00e1ch t\u1ec9 m\u1ec9 v\u00e0 tinh t\u1ebf \u0111\u1ec3 truy\u1ec1n \u0111\u1ea1t \u00fd ngh\u0129a m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3. N\u00f3 gi\u00fap t\u0103ng t\u00ednh thuy\u1ebft ph\u1ee5c v\u00e0 s\u1ee9c m\u1ea1nh c\u1ee7a th\u00f4ng \u0111i\u1ec7p, \u0111\u1ed3ng th\u1eddi g\u00f3p ph\u1ea7n x\u00e2y d\u1ef1ng v\u0103n b\u1ea3n ch\u1ea5t l\u01b0\u1ee3ng cao. Vi\u1ec7c \u00e1p d\u1ee5ng bi\u1ec7n ph\u00e1p tu t\u1eeb trong vi\u1ebft v\u0103n v\u00e0 di\u1ec5n \u0111\u1ea1t s\u1ebd mang l\u1ea1i k\u1ebft qu\u1ea3 t\u1ed1t h\u01a1n cho ng\u01b0\u1eddi vi\u1ebft v\u00e0 ng\u01b0\u1eddi \u0111\u1ecdc.
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