M\u1ed9t \u0111\u00e0n s\u00f3i c\u0169ng nh\u01b0 m\u1ed9t \u0111\u1ea1i gia \u0111\u00ecnh l\u1edbn c\u1ee7a lo\u00e0i ng\u01b0\u1eddi, t\u1ea5t c\u1ea3 m\u1ecdi th\u00e0nh vi\u00ean \u0111\u1ec1u \u0111\u01b0\u1ee3c coi l\u00e0 “ng\u01b0\u1eddi nh\u00e0”.<\/p>\n\n\n\n
Trong \u0111\u1ea1i gia \u0111\u00ecnh c\u1ee7a b\u1ea7y s\u00f3i c\u00f3 s\u1ef1 ph\u00e2n chia \u0111\u1eb3ng c\u1ea5p r\u1ea5t nghi\u00eam ng\u1eb7t, b\u1ea5t k\u1ec3 vi\u1ec7c g\u00ec \u0111\u1ec1u do s\u00f3i \u0111\u1ea7u \u0111\u00e0n quy\u1ebft \u0111\u1ecbnh. Khi \u0111\u00e0n s\u00f3i ra ngo\u00e0i ki\u1ebfm m\u1ed3i, khi n\u00e0o c\u1ea7n b\u00e1m theo v\u00e0 t\u1ea5n c\u00f4ng m\u1ee5c ti\u00eau, khi n\u00e0o \u0111\u01b0\u1ee3c ngh\u1ec9 ng\u01a1i, th\u1eadm ch\u00ed c\u1ea3 l\u00fac chia th\u1ee9c \u0103n v.v. t\u1ea5t c\u1ea3 \u0111\u1ec1u ph\u1ea3i nghe theo s\u1ef1 ch\u1ec9 huy c\u1ee7a s\u00f3i \u0111\u1ea7u \u0111\u00e0n, m\u1ecdi th\u00e0nh vi\u00ean kh\u00f4ng \u0111\u01b0\u1ee3c t\u1ef1 ti\u1ec7n h\u00e0nh \u0111\u1ed9ng.<\/p>\n\n\n\n
Nh\u01b0ng n\u1ebfu c\u00f3 hai \u0111\u00e0n s\u00f3i g\u1eb7p nhau th\u00ec s\u1ebd x\u1ea3y ra chuy\u1ec7n g\u00ec?<\/p>\n\n\n\n
Th\u00f4ng th\u01b0\u1eddng th\u00ec hai \u0111\u00e0n s\u00f3i do kh\u00f4ng bi\u1ebft r\u00f5 v\u1ec1 \u0111\u1ed1i ph\u01b0\u01a1ng, ch\u00fang s\u1ebd do\u1ea1 d\u1eabm l\u1eabn nhau nh\u1eb1m tr\u1ea5n \u00e1p \u0111\u1ed1i ph\u01b0\u01a1ng. N\u1ebfu nh\u01b0 hai s\u00f3i \u0111\u1ea7u \u0111\u00e0n kh\u00f4ng ch\u1ecbu nh\u01b0\u1eddng nhau th\u00ec ch\u1ec9 c\u00f2n c\u00e1ch t\u1eebng con s\u00f3i lao v\u00e0o nhau \u0111\u1ec3 ph\u00e2n th\u1eafng b\u1ea1i v\u00e0 l\u00fac n\u00e0y s\u1ebd tr\u1edf th\u00e0nh cu\u1ed9c h\u1ed7n chi\u1ebfn gi\u1eefa hai b\u1ea7y s\u00f3i.<\/p>\n\n\n\n
Khi s\u00f3i \u0111\u00e1nh nhau, ch\u00fang nhe r\u0103ng g\u1ea7m g\u1eeb, v\u1eeba k\u00eau v\u1eeba v\u1eddn xung quanh \u0111\u1ec3 t\u00ecm ki\u1ebfm c\u01a1 h\u1ed9i t\u1ea5n c\u00f4ng. Sau \u0111\u00f3 hai con ti\u1ebfn s\u00e1t l\u1ea1i nhau v\u00e0 \u0111\u00e1nh nhau, ch\u00fang d\u1ed3n h\u1ebft s\u1ee9c \u0111\u1ec3 c\u1eafn nhau. Qua m\u1ea5y v\u00f2ng giao \u0111\u1ea5u, \u0111\u1ec3 tr\u00e1nh b\u1ecb th\u1ea3m b\u1ea1i, con s\u00f3i y\u1ebfu h\u01a1n s\u1ebd chuy\u1ec3n ti\u1ebfng k\u00eau “u \u01b0” t\u1eeb khi\u00eau kh\u00edch sang ti\u1ebfng th\u00e9t th\u1ea5t thanh b\u00e1o hi\u1ec7u \u0111\u1ec3 \u0111\u01b0\u1ee3c c\u1ee9u m\u1ea1ng. \u0110\u1ed3ng th\u1eddi n\u00f3 n\u1eb1m l\u0103n ra \u0111\u1ea5t, c\u00fap \u0111u\u00f4i l\u1ea1i, ph\u01a1i ph\u1ea7n b\u1ee5ng, ng\u1ef1c, c\u1ed5 v.v. nh\u1eefng ph\u1ea7n d\u1ec5 b\u1ecb \u0111\u1ed1i ph\u01b0\u01a1ng t\u1ea5n c\u00f4ng nh\u1ea5t \u0111\u1ec3 bi\u1ec3u th\u1ecb mu\u1ed1n d\u1eebng cu\u1ed9c \u0111\u1ecd s\u1ee9c v\u00e0 xin \u0111\u1ea7u h\u00e0ng.<\/p>\n\n\n\n
L\u00fac n\u00e0y con s\u00f3i th\u1eafng tr\u1eadn cho d\u00f9 c\u00f3 t\u1ee9c \u0111\u1ebfn m\u1ea5y nh\u01b0ng khi nh\u00ecn th\u1ea5y \u0111\u1ed1i ph\u01b0\u01a1ng \u0111\u00e3 ch\u1ecbu \u0111\u1ea7u h\u00e0ng th\u00ec l\u1eadp t\u1ee9c d\u1eebng t\u1ea5n c\u00f4ng. N\u00f3 \u0111\u1ebfn tr\u01b0\u1edbc m\u1eb7t con s\u00f3i thua tr\u1eadn, ng\u1ea9ng cao \u0111\u1ea7u, d\u00e1ng \u0111i\u1ec7u r\u1ea5t t\u1ef1 m\u00e3n, ph\u00e1t ra nh\u1eefng \u00e2m thanh ng\u00f4ng cu\u1ed3ng nh\u01b0 mu\u1ed1n n\u00f3i: “C\u00fat mau”.<\/p>\n\n\n\n
Cu\u1ed1i c\u00f9ng con s\u00f3i chi\u1ebfn th\u1eafng “t\u00e8” m\u1ed9t b\u00e3i \u0111\u1ec3 bi\u1ec3u th\u1ecb cu\u1ed9c chi\u1ebfn \u0111\u00e3 k\u1ebft th\u00fac, c\u00f2n con s\u00f3i b\u1ea1i tr\u1eadn l\u00fac n\u00e0y m\u1edbi \u1ee7 r\u0169 chu\u1ed3n \u0111i.<\/p>\n","protected":false},"excerpt":{"rendered":"
M\u1ed9t \u0111\u00e0n s\u00f3i c\u0169ng nh\u01b0 m\u1ed9t \u0111\u1ea1i gia \u0111\u00ecnh l\u1edbn c\u1ee7a lo\u00e0i ng\u01b0\u1eddi, t\u1ea5t c\u1ea3 m\u1ecdi th\u00e0nh vi\u00ean \u0111\u1ec1u \u0111\u01b0\u1ee3c coi l\u00e0 “ng\u01b0\u1eddi nh\u00e0”. Trong \u0111\u1ea1i gia \u0111\u00ecnh c\u1ee7a b\u1ea7y s\u00f3i c\u00f3 s\u1ef1 ph\u00e2n chia \u0111\u1eb3ng c\u1ea5p r\u1ea5t nghi\u00eam ng\u1eb7t, b\u1ea5t k\u1ec3 vi\u1ec7c g\u00ec \u0111\u1ec1u do s\u00f3i \u0111\u1ea7u \u0111\u00e0n quy\u1ebft \u0111\u1ecbnh. Khi \u0111\u00e0n s\u00f3i ra […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_disable_autopaging":false},"categories":[15,10],"tags":[],"class_list":["post-8571","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc","category-sinh-hoc"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/8571","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/comments?post=8571"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/8571\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=8571"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=8571"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=8571"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}