{"id":8312,"date":"2021-11-21T11:43:21","date_gmt":"2021-11-21T04:43:21","guid":{"rendered":"https:\/\/www.vietlearn.org\/post\/?p=8312"},"modified":"2021-11-21T12:31:43","modified_gmt":"2021-11-21T05:31:43","slug":"tai-sao-dai-da-so-con-trung-lai-khong-the-di-duong-thang","status":"publish","type":"post","link":"https:\/\/www.vietlearn.org\/kien-thuc\/tai-sao-dai-da-so-con-trung-lai-khong-the-di-duong-thang\/","title":{"rendered":"T\u1ea1i sao \u0111\u1ea1i \u0111a s\u1ed1 c\u00f4n tr\u00f9ng l\u1ea1i kh\u00f4ng th\u1ec3 \u0111i \u0111\u01b0\u1eddng th\u1eb3ng?"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Khi g\u00e0 \u0111i, m\u1ed9t ch\u00e2n \u0111\u01b0a l\u00ean tr\u01b0\u1edbc, c\u00f2n ch\u00e2n kia \u0111\u1ee1 tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a c\u01a1 th\u1ec3, ch\u00e2n \u0111\u01b0a l\u00ean b\u01b0\u1edbc v\u1ec1 ph\u00eda tr\u01b0\u1edbc, l\u1ea1i ch\u1ea1m \u0111\u1ea5t, c\u00f2n ch\u00e2n sau khi \u0111\u1ee1 c\u01a1 th\u1ec3 l\u1ea1i nh\u1ea5c l\u00ean, b\u01b0\u1edbc ch\u1ea1m \u0111\u1ea5t. Nh\u01b0 v\u1eady, m\u1ed9t ch\u00e2n tr\u01b0\u1edbc, m\u1ed9t ch\u00e2n sau li\u00ean t\u1ee5c, thay th\u1ebf l\u1eabn nhau \u0111\u1ec3 k\u00e9o c\u01a1 th\u1ec3 b\u01b0\u1edbc l\u00ean ph\u00eda tr\u01b0\u1edbc.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">N\u1ebfu nh\u01b0 \u0111\u1ee9ng \u1edf ph\u00eda sau nh\u00ecn g\u00e0 \u0111i, s\u1ebd ph\u00e1t hi\u1ec7n ra c\u01a1 th\u1ec3 c\u1ee7a g\u00e0 trong qu\u00e1 tr\u00ecnh thay th\u1ebf ng\u1eafn ng\u1ee7i gi\u1eefa hai ch\u00e2n, l\u00fac th\u00ec h\u01a1i n\u00e2ng l\u00ean cao, l\u00fac th\u00ec h\u01a1i h\u1ea1 xu\u1ed1ng. Cho d\u00f9 \u0111i m\u1ed9t ch\u00e2n cao, m\u1ed9t ch\u00e2n th\u1ea5p, l\u1eafc la l\u1eafc l\u01b0, nh\u01b0ng do \u0111\u1ed9 d\u00e0i hai ch\u00e2n c\u1ee7a n\u00f3 nh\u01b0 nhau, kho\u1ea3ng c\u00e1ch b\u01b0\u1edbc \u0111i b\u1eb1ng nhau, v\u00ec v\u1eady, h\u01b0\u1edbng c\u1ee7a b\u01b0\u1edbc \u0111i v\u1ec1 ph\u00eda tr\u01b0\u1edbc v\u1eabn tr\u1edf th\u00e0nh m\u1ed9t \u0111\u01b0\u1eddng th\u1eb3ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c \u0111\u1ed9ng v\u1eadt nh\u01b0 l\u1ee3n, d\u00ea, tr\u00e2u, ng\u1ef1a\u2026, tuy \u0111\u1ec1u c\u00f3 b\u1ed1n ch\u00e2n, nh\u01b0ng do \u0111\u1ed9 d\u00e0i c\u1ee7a b\u1ed1n ch\u00e2n b\u1eb1ng nhau v\u00e0 c\u0169ng do hai ch\u00e2n thay th\u1ebf tr\u00e1i tr\u01b0\u1edbc ph\u1ea3i sau, ph\u1ea3i tr\u01b0\u1edbc tr\u00e1i sau \u0111\u1ec3 \u0111\u1ee1 c\u01a1 th\u1ec3 b\u01b0\u1edbc v\u1ec1 ph\u00eda tr\u01b0\u1edbc n\u00ean khi ch\u00fang b\u01b0\u1edbc \u0111i c\u0169ng th\u01b0\u1eddng l\u00e0 th\u1eb3ng v\u1ec1 ph\u00eda tr\u01b0\u1edbc.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nh\u01b0ng \u0111\u1ea1i \u0111a s\u1ed1 c\u00f4n tr\u00f9ng tr\u01b0\u1edfng th\u00e0nh l\u1ea1i kh\u00f4ng ph\u1ea3i nh\u01b0 v\u1eady, khi ch\u00fang b\u00f2 tr\u00ean \u0111\u1ea5t, th\u01b0\u1eddng l\u00e0 b\u00f2 v\u1ec1 ph\u00eda tr\u01b0\u1edbc ngo\u1eb1n ngo\u00e8o t\u1ea1o th\u00e0nh h\u00ecnh z\u00edch z\u1eafc. V\u1eady th\u00ec t\u1ea1i sao c\u00f4n tr\u00f9ng l\u1ea1i kh\u00f4ng th\u1ec3 \u0111i \u0111\u01b0\u1ee3c \u0111\u01b0\u1eddng th\u1eb3ng?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00f4n tr\u00f9ng l\u00e0 \u0111\u1ed9ng v\u1eadt c\u00f3 6 ch\u00e2n, hai b\u00ean m\u1ed7i b\u00ean m\u1ecdc 3 ch\u00e2n d\u00e0i m\u1ea3nh, m\u1ed7i ch\u00e2n l\u1ea1i ph\u00e2n th\u00e0nh 5 m\u1ea5u nh\u1ecf, 6 ch\u00e2n \u0111\u01b0\u1ee3c b\u1ed1 tr\u00ed th\u00e0nh m\u1ed9t \u0111\u00f4i ch\u00e2n ng\u1eafn ph\u00eda tr\u01b0\u1edbc, m\u1ed9t \u0111\u00f4i ch\u00e2n d\u00e0i ph\u00eda sau, m\u1ed9t \u0111\u00f4i ch\u00e2n \u1edf gi\u1eefa. Khi ch\u00fang b\u00f2, 6 ch\u00e2n v\u1eeba kh\u00f4ng th\u1ec3 \u0111\u1ed3ng th\u1eddi di chuy\u1ec3n, c\u0169ng kh\u00f4ng th\u1ec3 \u0111\u1ed3ng th\u1eddi di chuy\u1ec3n 3 ch\u00e2n \u1edf m\u1ed9t ph\u00eda c\u1ee7a c\u01a1 th\u1ec3, n\u1ebfu kh\u00f4ng th\u00ec s\u1ebd l\u00e0m cho c\u01a1 th\u1ec3 treo l\u01a1 l\u1eedng tr\u00ean kh\u00f4ng ho\u1eb7c l\u00e0 nghi\u00eang ng\u1ea3. C\u00f4n tr\u00f9ng kh\u00e9o l\u00e9o ph\u00e2n 6 ch\u00e2n th\u00e0nh 2 nh\u00f3m: m\u1ed9t nh\u00f3m do m\u1ed9t ch\u00e2n ph\u1ea3i tr\u01b0\u1edbc m\u1ed9t ch\u00e2n tr\u00e1i gi\u1eefa v\u00e0 m\u1ed9t ch\u00e2n ph\u1ea3i sau t\u1ea1o th\u00e0nh; m\u1ed9t nh\u00f3m kh\u00e1c l\u1ea1i do m\u1ed9t ch\u00e2n tr\u00e1i tr\u01b0\u1edbc, m\u1ed9t ch\u00e2n ph\u1ea3i gi\u1eefa v\u00e0 m\u1ed9t ch\u00e2n tr\u00e1i sau t\u1ea1o th\u00e0nh. C\u00f4n tr\u00f9ng b\u00f2 v\u1ec1 ph\u00eda tr\u01b0\u1edbc m\u1ed9t b\u01b0\u1edbc, c\u01a1 th\u1ec3 do m\u1ed9t nh\u00f3m ch\u00e2n gi\u1eefa c\u1ee7a hai nh\u00f3m \u0111\u1ee1 c\u01a1 th\u1ec3, c\u00f2n m\u1ed9t nh\u00f3m ch\u00e2n kh\u00e1c h\u01a1i nh\u1ea5c l\u00ean \u0111\u1ec3 tho\u00e1t kh\u1ecfi m\u1eb7t \u0111\u1ea5t, ti\u1ebfn v\u1ec1 ph\u00eda tr\u01b0\u1edbc. Nh\u01b0 v\u1eady, c\u01a1 th\u1ec3 c\u1ee7a c\u00f4n tr\u00f9ng gi\u1ed1ng nh\u01b0 \u0111\u01b0\u1ee3c m\u1ed9t chi\u1ebfc gi\u00e1 tam gi\u00e1c r\u1ea5t v\u1eefng ch\u1eafc v\u00e0 c\u00e2n b\u1eb1ng \u0111\u1ee1 l\u00ean.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00f3 ng\u01b0\u1eddi \u0111\u00e3 quan s\u00e1t t\u1ec9 m\u1ec9 c\u00f4n tr\u00f9ng b\u00f2, n\u00f3 do m\u1ed9t nh\u00f3m ch\u00e2n tr\u01b0\u1edbc du\u1ed7i ra ph\u00eda tr\u01b0\u1edbc, v\u00e0 d\u00f9ng m\u00f3ng vu\u1ed1t \u1edf ph\u1ea7n tr\u01b0\u1edbc c\u1ee7a \u0111\u1ed1t c\u1ed5 ch\u00e2n mang m\u00f3c, b\u00e1m ch\u1eb7t v\u00e0o ph\u1ea7n l\u1ed3i l\u00f5m tr\u00ean m\u1eb7t \u0111\u1ea5t, c\u00f3 t\u00e1c d\u1ee5ng k\u00e9o v\u1ec1 ph\u00eda tr\u01b0\u1edbc; ch\u00e2n gi\u1eefa \u1edf ph\u00eda b\u00ean kia, \u0111\u1eb7c bi\u1ec7t l\u00e0 ch\u00e2n sau c\u1ee7a c\u00f9ng ph\u00eda li\u1ec1n h\u1ebft s\u1ee9c du\u1ed7i c\u00e1c \u0111\u1ed1t tr\u00ean ch\u00e2n ra, \u0111\u1ea9y c\u01a1 th\u1ec3 l\u00ean ph\u00eda tr\u01b0\u1edbc, do chi\u1ec1u d\u00e0i c\u1ee7a ch\u00e2n tr\u01b0\u1edbc v\u00e0 ch\u00e2n sau kh\u00f4ng b\u1eb1ng nhau, khi ch\u00e2n sau d\u00f9ng s\u1ee9c \u0111\u01b0a v\u1ec1 ph\u00eda tr\u01b0\u1edbc th\u00ec s\u1ebd \u0111\u1ea9y ch\u00e2n gi\u1eefa v\u00e0 c\u01a1 th\u1ec3 r\u1eddi kh\u1ecfi m\u1eb7t \u0111\u1ea5t l\u1ec7ch kh\u1ecfi \u0111\u01b0\u1eddng th\u1eb3ng, l\u00e0m cho tr\u1ee5c gi\u1eefa c\u1ee7a c\u01a1 th\u1ec3 nghi\u00eang \u0111i. Khi ch\u00e2n tr\u01b0\u1edbc c\u1ee7a nh\u00f3m kia nh\u1ea5c l\u00ean, \u0111\u1ec3 l\u00e0m cho c\u01a1 th\u1ec3 ti\u1ebfn l\u00ean ph\u00eda tr\u01b0\u1edbc th\u00ec du\u1ed7i theo h\u01b0\u1edbng ng\u01b0\u1ee3c l\u1ea1i v\u1edbi c\u01a1 th\u1ec3, ch\u00e2n sau d\u00f9ng s\u1ee9c \u0111\u1ea9y l\u00ean, l\u1ea1i xoay c\u01a1 th\u1ec3 theo h\u01b0\u1edbng kh\u00e1c. Nh\u01b0 v\u1eady, c\u00f4n tr\u00f9ng \u0111\u00e3 b\u00f2 v\u1ec1 ph\u00eda tr\u01b0\u1edbc ngo\u1eb1n ngo\u00e8o th\u00e0nh h\u00ecnh z\u00edch z\u1eafc nh\u01b0 v\u1eady \u0111\u1ea5y.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00f4n tr\u00f9ng r\u1eddi kh\u1ecfi m\u1eb7t \u0111\u1ea5t, khi b\u00f2 l\u00ean tr\u00ean th\u00e2n c\u00e2y t\u01b0\u01a1ng \u0111\u1ed1i x\u00f9 x\u00ec c\u0169ng l\u00e0 ngo\u1eb1n ngo\u00e8o kh\u00f4ng th\u00e0nh \u0111\u01b0\u1eddng th\u1eb3ng. N\u1ebfu nh\u01b0 b\u00f2 tr\u00ean c\u00e0nh c\u00e2y t\u01b0\u01a1ng \u0111\u1ed1i m\u1ea3nh th\u00ec n\u00f3 b\u00f2 xoay tr\u00f2n v\u1ec1 ph\u00eda tr\u01b0\u1edbc tr\u00ean c\u00e0nh c\u00e2y. \u0110\u00e2y \u0111\u1ec1u l\u00e0 do kho\u1ea3ng c\u00e1ch gi\u1eefa ch\u00e2n tr\u01b0\u1edbc v\u00e0 ch\u00e2n sau \u0111\u1ea9y v\u1ec1 ph\u00eda tr\u01b0\u1edbc kh\u00f4ng gi\u1ed1ng nhau g\u00e2y ra.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Khi g\u00e0 \u0111i, m\u1ed9t ch\u00e2n \u0111\u01b0a l\u00ean tr\u01b0\u1edbc, c\u00f2n ch\u00e2n kia \u0111\u1ee1 tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a c\u01a1 th\u1ec3, ch\u00e2n \u0111\u01b0a l\u00ean b\u01b0\u1edbc v\u1ec1 ph\u00eda tr\u01b0\u1edbc, l\u1ea1i ch\u1ea1m \u0111\u1ea5t, c\u00f2n ch\u00e2n sau khi \u0111\u1ee1 c\u01a1 th\u1ec3 l\u1ea1i nh\u1ea5c l\u00ean, b\u01b0\u1edbc ch\u1ea1m \u0111\u1ea5t. Nh\u01b0 v\u1eady, m\u1ed9t ch\u00e2n tr\u01b0\u1edbc, m\u1ed9t ch\u00e2n sau li\u00ean t\u1ee5c, thay th\u1ebf l\u1eabn nhau \u0111\u1ec3 [&hellip;]<\/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-8312","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\/8312","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=8312"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/8312\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=8312"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=8312"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=8312"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}