{"id":11558,"date":"2021-11-23T21:01:45","date_gmt":"2021-11-23T14:01:45","guid":{"rendered":"https:\/\/www.vietlearn.org\/post\/?p=11558"},"modified":"2021-11-23T21:10:31","modified_gmt":"2021-11-23T14:10:31","slug":"tieu-chua%cc%89n-ky%cc%83-thua%cc%a3t-va-do%cc%a3-dai-cu%cc%89a-duong-thi-dau-dien-kinh","status":"publish","type":"post","link":"https:\/\/www.vietlearn.org\/kien-thuc\/tieu-chua%cc%89n-ky%cc%83-thua%cc%a3t-va-do%cc%a3-dai-cu%cc%89a-duong-thi-dau-dien-kinh\/","title":{"rendered":"Ti\u00eau chu\u00e2\u0309n ky\u0303 thu\u00e2\u0323t va\u0300 \u0111\u00f4\u0323 da\u0300i cu\u0309a \u0111\u01b0\u01a1\u0300ng thi \u0111\u00e2\u0301u \u0111i\u00ea\u0300n kinh?"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u0110\u01b0\u01a1\u0300ng du\u0300ng thi \u0111\u00e2\u0301u \u0111i\u00ea\u0300n kinh \u0111a\u0323t ti\u00eau chu\u00e2\u0309n \u0111\u01b0\u01a1\u0323c c\u00e2\u0301u tha\u0300nh b\u01a1\u0309i hai \u0111\u01b0\u01a1\u0300ng cha\u0323y th\u0103\u0309\u0103ng, m\u00f4\u0303i \u0111\u01b0\u01a1\u0300ng da\u0300i 85,96m \u0111an xen gi\u01b0\u0303a hai \u0111\u01b0\u01a1\u0300ng cha\u0323y la\u0300 m\u00f4\u0323t hi\u0300nh vo\u0300ng cung co\u0301 \u0111\u00f4\u0323 da\u0300i 133,04m.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ta\u0323i sao ng\u01b0\u01a1\u0300i ta kh\u00f4ng thi\u00ea\u0301t k\u00ea\u0301 \u0111\u01b0\u01a1\u0300ng cha\u0323y hi\u0300nh vu\u00f4ng hay hi\u0300nh tro\u0300n? Th\u01b0\u0323c ra vi\u00ea\u0323c thi\u00ea\u0301t k\u00ea\u0301 \u0111\u01b0\u01a1\u0300ng cha\u0323y nh\u01b0 tr\u00ean r\u00e2\u0301t co\u0301 c\u01a1 s\u01a1\u0309 khoa ho\u0323c.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Khi cha\u0323y, d\u01b0\u01a1\u0301i ta\u0301c du\u0323ng cu\u0309a qua\u0301n ti\u0301nh chu\u0301ng ta lu\u00f4n co\u0301 xu h\u01b0\u01a1\u0301ng duy tri\u0300 tra\u0323ng tha\u0301i v\u00e2\u0323n \u0111\u00f4\u0323ng nh\u01b0 cu\u0303. Mu\u00f4\u0301n thay \u0111\u00f4\u0309i tra\u0323ng tha\u0301i v\u00e2\u0323n \u0111\u00f4\u0323ng cu\u0303 pha\u0309i co\u0301 l\u01b0\u0323c ta\u0301c \u0111\u00f4\u0323ng th\u00eam. T\u00f4\u0301c \u0111\u00f4\u0323 va\u0300 h\u01b0\u01a1\u0301ng v\u00e2\u0323n \u0111\u00f4\u0323ng thu\u00f4\u0323c va\u0300o pha\u0323m tru\u0300 tra\u0323ng tha\u0301i v\u00e2\u0323n \u0111\u00f4\u0323ng. Cu\u0300ng qua\u0303ng \u0111\u01b0\u01a1\u0300ng 100m nh\u01b0ng n\u00ea\u0301u cha\u0323y th\u0103\u0309ng se\u0303 nhanh h\u01a1n cha\u0323y hai vo\u0300ng m\u00f4\u0303i vo\u0300ng 50. \u0110o\u0301 la\u0300 do khi cha\u0323y m\u00f4\u0323t vo\u0300ng chu\u0301ng ta pha\u0309i \u0111\u00f4\u0309i h\u01b0\u01a1\u0301ng, ta pha\u0309i hao t\u00f4\u0301n th\u00eam s\u01b0\u0301c l\u01b0\u0323c \u0111\u00ea\u0309 t\u0103ng t\u00f4\u0301c t\u01b0\u0300 v\u00e2\u0323n t\u00f4\u0301c h\u00e2\u0300u nh\u01b0 b\u0103\u0300ng 0 tr\u00ean h\u01b0\u01a1\u0301ng v\u00e2\u0323n \u0111\u00f4\u0323ng m\u01a1\u0301i \u0111\u00ea\u0309 \u0111a\u0323t \u0111\u01b0\u01a1\u0323c t\u00f4\u0301c \u0111\u00f4\u0323 nhanh. N\u00ea\u0301u thi\u00ea\u0301t k\u00ea\u0301 \u0111\u01b0\u01a1\u0300ng cha\u0323y co\u0301 da\u0323ng hi\u0300nh vu\u00f4ng hay hi\u0300nh ch\u01b0\u0303 nh\u00e2\u0323t, v\u00e2\u0323n \u0111\u00f4\u0323ng vi\u00ean cha\u0323y se\u0303 pha\u0309i \u0111\u00f4\u0309i h\u01b0\u01a1\u0301ng, t\u01a1\u0301i 4 l\u00e2\u0300n \u01a1\u0309 4 go\u0301c \u0111\u01b0\u01a1\u0300ng cha\u0323y. M\u00f4\u0303i l\u00e2\u0300n \u0111\u00f4\u0309i h\u01b0\u01a1\u0301ng 90 \u0111\u00f4\u0323. Lu\u0301c na\u0300y mu\u00f4\u0301n \u0111\u00f4\u0309i h\u01b0\u01a1\u0301ng th\u00e2\u0323t nhanh \u0111\u00f4\u0300ng th\u01a1\u0300i v\u00e2\u0303n gi\u01b0\u0303 \u0111\u01b0\u01a1\u0323c t\u00f4\u0301c \u0111\u00f4\u0323 cao, v\u00e2\u0323n \u0111\u00f4\u0323ng vi\u00ean pha\u0309i t\u00f4\u0301n r\u00e2\u0301t nhi\u00ea\u0300u s\u01b0\u0301c; t\u01b0\u0300 \u0111o\u0301 a\u0309nh h\u01b0\u01a1\u0309ng t\u01a1\u0301i t\u00f4\u0301c \u0111\u00f4\u0323 cha\u0323y. N\u00ea\u0301u thi\u00ea\u0301t k\u00ea\u0301 da\u0323ng hi\u0300nh tro\u0300n thi\u0300 tr\u00ean th\u01b0\u0323c t\u00ea\u0301, lu\u0301c na\u0300o v\u00e2\u0323n \u0111\u00f4\u0323ng vi\u00ean cu\u0303ng pha\u0309i \u0111\u00f4\u0309i h\u01b0\u01a1\u0301ng theo \u0111\u01b0\u01a1\u0300ng tro\u0300n. Nh\u01b0 chu\u0301ng ta \u0111a\u0303 bi\u00ea\u0301t ca\u0301c v\u00e2\u0323t chuy\u00ea\u0309n \u0111\u00f4\u0323ng theo qui\u0303 \u0111a\u0323o tro\u0300n lu\u00f4n pha\u0309i chi\u0323u ta\u0301c du\u0323ng cu\u0309a l\u01b0\u0323c h\u01b0\u01a1\u0301ng t\u00e2m. Ba\u0301n ki\u0301nh ca\u0300ng l\u01a1\u0301n, l\u01b0\u0323c h\u01b0\u01a1\u0301ng t\u00e2m ca\u0300ng nho\u0309. \u01a0\u0309 \u0111\u01b0\u01a1\u0300ng cha\u0323y theo ti\u00eau chu\u00e2\u0309n qu\u00f4\u0301c t\u00ea\u0301, ba\u0301n ki\u0301nh cu\u0309a hai hi\u0300nh vo\u0300ng cung n\u00f4\u0301i gi\u01b0\u0303a hai \u0111\u01b0\u01a1\u0300ng th\u0103\u0309ng 36m, nh\u01b0ng chi\u0309 co\u0301 hai \u0111oa\u0323n vo\u0300ng cung. Go\u0301c cua gi\u01b0\u0303a hai \u0111\u01b0\u01a1\u0300ng vo\u0300ng cung na\u0300y r\u00e2\u0301t l\u01a1\u0301n, vi\u0300 v\u00e2\u0323y l\u01b0\u0323c h\u01b0\u01a1\u0301ng t\u00e2m t\u01b0\u01a1ng \u0111\u00f4\u0301i nho\u0309, ng\u01b0\u01a1\u0300i cha\u0323y se\u0303 i\u0301t t\u00f4\u0301n s\u01b0\u0301c h\u01a1n so v\u01a1\u0301i ng\u01b0\u01a1\u0300i cha\u0323y theo qui\u0303 \u0111a\u0323o hi\u0300nh tro\u0300n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nh\u01b0 v\u00e2\u0323y, \u0111\u01b0\u01a1\u0300ng cha\u0323y \u0111i\u00ea\u0300n kinh \u0111\u01b0\u01a1\u0323c thi\u00ea\u0301t k\u00ea\u0301 theo ph\u01b0\u01a1ng pha\u0301p chi\u00ea\u0301t trung. Hai \u0111oa\u0323n \u0111\u01b0\u01a1\u0300ng cha\u0323y th\u0103\u0309ng giu\u0301p ti\u00ea\u0301t ki\u00ea\u0323m s\u01b0\u0301c hai \u0111oa\u0323n hi\u0300nh vo\u0300ng cung kh\u00f4ng g\u00e2y n\u00ean s\u01b0\u0323 chuy\u00ea\u0309n h\u01b0\u01a1\u0301ng \u0111\u00f4\u0323t ng\u00f4\u0323t, t\u01b0\u0300 \u0111o\u0301 gia\u0309m s\u01b0\u0323 hao phi\u0301 s\u01b0\u0301c l\u01b0\u0323c kh\u00f4ng c\u00e2\u0300n thi\u00ea\u0301t cho v\u00e2\u0323n \u0111\u00f4\u0323ng vi\u00ean. M\u0103\u0323t tr\u01a1\u0300i mo\u0323c \u01a1\u0309 phi\u0301a \u0110\u00f4ng va\u0300 l\u0103\u0323n \u01a1\u0309 phi\u0301a T\u00e2y, vi\u0300 th\u00ea\u0301 hai \u0111\u01b0\u01a1\u0300ng cha\u0323y th\u0103\u0309ng \u0111\u01b0\u01a1\u0323c thi\u00ea\u0301t k\u00ea\u0301 theo h\u01b0\u01a1\u0301ng Nam B\u0103\u0301c \u0111\u00ea\u0309 tra\u0301nh a\u0301nh sa\u0301ng m\u0103\u0323t tr\u01a1\u0300i la\u0300m loa\u0301 m\u0103\u0301t v\u00e2\u0323n \u0111\u00f4\u0323ng vi\u00ean. Ta\u0323i khu v\u01b0\u0323c s\u00e2n \u0111i\u00ea\u0300n kinh c\u01b0\u0323 li 400m b\u00ean trong \u0111\u01b0\u01a1\u0300ng cha\u0323y ng\u01b0\u01a1\u0300i ta cu\u0303ng co\u0301 th\u00ea\u0309 ti\u00ea\u0301n ha\u0300nh thi \u0111\u00e2\u0301u ne\u0301m lao, ne\u0301m \u0111i\u0303a va\u0300 l\u0103ng ta\u0323\u2026 Thi\u00ea\u0301t k\u00ea\u0301 s\u00e2n nh\u01b0 v\u00e2\u0323y co\u0300n giu\u0301p kha\u0301n gia\u0309 tr\u00ean kha\u0301n \u0111a\u0300i d\u00ea\u0303 quan sa\u0301t ca\u0301c v\u00e2\u0323n \u0111\u00f4\u0323ng vi\u00ean khi ho\u0323 thi \u0111\u00e2\u0301u.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u0110\u01b0\u01a1\u0300ng du\u0300ng thi \u0111\u00e2\u0301u \u0111i\u00ea\u0300n kinh \u0111a\u0323t ti\u00eau chu\u00e2\u0309n \u0111\u01b0\u01a1\u0323c c\u00e2\u0301u tha\u0300nh b\u01a1\u0309i hai \u0111\u01b0\u01a1\u0300ng cha\u0323y th\u0103\u0309\u0103ng, m\u00f4\u0303i \u0111\u01b0\u01a1\u0300ng da\u0300i 85,96m \u0111an xen gi\u01b0\u0303a hai \u0111\u01b0\u01a1\u0300ng cha\u0323y la\u0300 m\u00f4\u0323t hi\u0300nh vo\u0300ng cung co\u0301 \u0111\u00f4\u0323 da\u0300i 133,04m. Ta\u0323i sao ng\u01b0\u01a1\u0300i ta kh\u00f4ng thi\u00ea\u0301t k\u00ea\u0301 \u0111\u01b0\u01a1\u0300ng cha\u0323y hi\u0300nh vu\u00f4ng hay hi\u0300nh tro\u0300n? Th\u01b0\u0323c ra vi\u00ea\u0323c thi\u00ea\u0301t k\u00ea\u0301 [&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":[1,15],"tags":[],"class_list":["post-11558","post","type-post","status-publish","format-standard","hentry","category-general","category-hoi-dap-khoa-hoc"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/11558","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=11558"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/11558\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=11558"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=11558"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=11558"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}