T\u1eeb kh\u00f3a t\u00ecm ki\u1ebfm: H\u00e3y Tr\u1ea3 L\u1eddi Em T\u1ea1i Sao? \u2013 T\u1eadp 3 – Arkady Leokum<\/p>\n\n\n\n
Ta n\u00ean ph\u00e2n bi\u1ec7t r\u00f5 ch\u00e2n (foot) v\u00e0 c\u1eb3ng (leg). \u0111\u00fang l\u00e0 r\u1eafn kh\u00f4ng c\u00f3 c\u1eb3ng. Nh\u01b0ng \u0111i\u1ec1u \u0111\u00f3 kh\u00f4ng c\u00f3 ngh\u0129a l\u00e0 trong m\u1ed9t giai \u0111o\u1ea1n n\u00e0o \u0111\u00f3 trong qu\u00e1 tr\u00ecnh ti\u1ebfn h\u00f3a v\u00e0 ph\u00e1t tri\u1ec3n, r\u1eafn \u0111\u00e3 kh\u00f4ng c\u00f3 c\u1eb3ng. C\u00f3 \u0111i\u1ec1u l\u00e0 khoa h\u1ecdc ch\u01b0a tr\u1ea3 l\u1eddi \u0111\u01b0\u1ee3c t\u1ea1i sao r\u1eafn l\u1ea1i \u201cm\u1ea5t\u201d c\u1eb3ng v\u00e0 m\u1ea5t nh\u01b0 th\u1ebf n\u00e0o.<\/p>\n\n\n\n
M\u1ed9t v\u00e0i nh\u00e0 khoa h\u1ecdc cho r\u1eb1ng t\u1ed5 ti\u00ean c\u1ee7a lo\u00e0i r\u1eafn v\u1ed1n l\u00e0 lo\u00e0i th\u1eb1n l\u1eb1n s\u1ed1ng trong hang. Ng\u00e0y nay v\u1eabn c\u00f2n nhi\u1ec1u th\u1ee9 th\u1eb1n l\u1eb1n lo\u1ea1i n\u00e0y. H\u1ea7u h\u1ebft c\u00e1c th\u1ee9 th\u1eb1n l\u1eb1n lo\u1ea1i n\u00e0y \u0111\u1ec1u c\u00f3 c\u1eb3ng r\u1ea5t nh\u1ecf ho\u1eb7c h\u1ea7u nh\u01b0 ch\u1eb3ng c\u00f2n c\u1eb3ng n\u1eefa. Th\u1ebf r\u1ed3i c\u00f3 l\u00fac c\u1eb3ng n\u00e0y bi\u1ebfn m\u1ea5t h\u1ebft. Tuy kh\u00f4ng c\u00f3 c\u1eb3ng nh\u01b0ng r\u1eafn v\u1eabn di chuy\u1ec3n mau l\u1eb9, tr\u01b0\u1eddn b\u00f2 r\u1ea5t d\u1ec5 d\u00e0ng. \u0111\u01b0\u1ee3c nh\u01b0 v\u1eady l\u00e0 nh\u1edd h\u00e0ng v\u1ea3y d\u01b0\u1edbi b\u1ee5ng r\u1eafn nh\u01b0 ta \u0111\u00e3 bi\u1ebft.<\/p>\n\n\n\n
R\u1eafn c\u00f3 b\u1ed1n \u201cd\u00e1ng\u201d (c\u00e1ch) di chuy\u1ec3n. M\u1ed9t trong nh\u1eefng d\u00e1ng \u1ea5y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u201cs\u00f3ng \u0111\u1ed5 ngang\u201d. C\u00f3 ngh\u0129a l\u00e0 r\u1eafn b\u00f2 ngo\u1eb1n ngo\u00e8o h\u00ecnh ch\u1eef S b\u1eb1ng c\u00e1ch c\u00e0o nh\u1eefng v\u1ea3y b\u1ee5ng xu\u1ed1ng m\u1eb7t \u0111\u1ea5t (nh\u00e1m) v\u1ec1 ph\u00eda sau v\u00e0 ph\u00eda ngang, nh\u1edd \u0111\u00f3 r\u1eafn tr\u01b0\u1eddn t\u1edbi. C\u00e1ch hay d\u00e1ng di chuy\u1ec3n th\u1ee9 hai g\u1ecdi l\u00e0 \u201cthun t\u1edbi\u201d (\u0111\u1ea9y t\u1edbi). M\u1ed9t nh\u00f3m v\u1ea3y b\u1ee5ng \u0111\u1ea9y th\u00e2n v\u1ec1 ph\u00eda tr\u01b0\u1edbc, m\u1ed9t nh\u00f3m v\u1ea3y sau l\u1ea1i \u0111\u1ea9y chu\u1ed3i v\u1ec1 ph\u00eda sau \u0111\u1ec3 gi\u1eef cho th\u00e2n r\u1eafn kh\u1ecfi tu\u1ed9t l\u00f9i l\u1ea1i, nh\u1edd \u0111\u00f3 r\u1eafn chuy\u1ec3n \u0111\u1ed9ng \u0111\u01b0\u1eddng th\u1eb3ng v\u1ec1 ph\u00eda tr\u01b0\u1edbc.<\/p>\n\n\n\n
D\u00e1ng di chuy\u1ec3n th\u1ee9 ba \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u201c\u0111\u00e8n x\u1ebfp\u201d (concertina).<\/p>\n\n\n\n
R\u1eafn d\u00f9ng d\u00e1ng n\u00e0y \u0111\u1ec3 leo c\u00e2y. R\u1eafn qu\u1ea5n \u0111u\u00f4i v\u00e0 ph\u1ea7n th\u00e2n sau quanh th\u00e2n c\u00e2y, v\u01b0\u01a1n ph\u1ea7n th\u00e2n tr\u01b0\u1edbc v\u00e0 b\u00e1m v\u00e0o ch\u1ed7 cao h\u01a1n tr\u00ean th\u00e2n c\u00e2y, sau \u0111\u00f3 th\u1ea3 ph\u1ea7n th\u00e2n d\u01b0\u1edbi v\u00e0 \u0111u\u00f4i r\u1ed3i k\u00e9o ph\u1ea7n \u0111\u00f3 l\u00ean cao.<\/p>\n\n\n\n
D\u00e1ng di chuy\u1ec3n th\u1ee9 t\u01b0 \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u201cv\u1eb7n v\u1eb9o\u201d. Ph\u1ea7n n\u1eeda th\u00e2n tr\u00ean lao sang m\u1ed9t b\u00ean, ph\u1ea7n n\u1eeda th\u00e2n sau chuy\u1ec3n sang v\u1ecb tr\u00ed kh\u00e1c, sau \u0111\u00f3 ph\u1ea7n n\u1eeda th\u00e2n tr\u00ean l\u1ea1i \u0111\u01b0\u1ee3c lao sang ph\u00eda b\u00ean kia. C\u1ee9 v\u1eb7n v\u1eb9o nh\u01b0 v\u1eady, r\u1eafn tr\u01b0\u1eddn v\u1ec1 ph\u00eda tr\u01b0\u1edbc. \u0111\u00e2y l\u00e0 c\u00e1ch di chuy\u1ec3n c\u1ee7a gi\u1ed1ng r\u1eafn \u201cchu\u00f4ng\u201d.<\/p>\n","protected":false},"excerpt":{"rendered":"
T\u1eeb kh\u00f3a t\u00ecm ki\u1ebfm: H\u00e3y Tr\u1ea3 L\u1eddi Em T\u1ea1i Sao? \u2013 T\u1eadp 3 – Arkady Leokum Ta n\u00ean ph\u00e2n bi\u1ec7t r\u00f5 ch\u00e2n (foot) v\u00e0 c\u1eb3ng (leg). \u0111\u00fang l\u00e0 r\u1eafn kh\u00f4ng c\u00f3 c\u1eb3ng. Nh\u01b0ng \u0111i\u1ec1u \u0111\u00f3 kh\u00f4ng c\u00f3 ngh\u0129a l\u00e0 trong m\u1ed9t giai \u0111o\u1ea1n n\u00e0o \u0111\u00f3 trong qu\u00e1 tr\u00ecnh ti\u1ebfn h\u00f3a v\u00e0 ph\u00e1t tri\u1ec3n, r\u1eafn \u0111\u00e3 […]<\/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],"tags":[],"class_list":["post-14147","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/14147","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=14147"}],"version-history":[{"count":1,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/14147\/revisions"}],"predecessor-version":[{"id":14148,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/14147\/revisions\/14148"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=14147"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=14147"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=14147"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}