thi\u1ebft k\u1ebf<\/a> \u0111\u01b0\u1eddng s\u1eaft v\u00e0 t\u00e0u ho\u1ea3 \u0111\u00e3 ngh\u0129 ra m\u1ed9t bi\u1ec7n ph\u00e1p gi\u00fap t\u00e0u c\u00f3 th\u1ec3 leo l\u00ean d\u1ed1c r\u1ea5t cao. \u0110\u00f3 l\u00e0 \u0111\u01b0\u1eddng s\u1eaft leo n\u00fai.<\/p>\n\n\n\n\u0110\u01b0\u1eddng s\u1eaft leo n\u00fai kh\u00e1c v\u1edbi \u0111\u01b0\u1eddng s\u1eaft th\u00f4ng th\u01b0\u1eddng, \u1edf gi\u1eefa hai \u0111\u01b0\u1eddng ray th\u00f4ng th\u01b0\u1eddng ch\u1ea1y song song nhau, ng\u01b0\u1eddi ta t\u0103ng th\u00eam m\u1ed9t \u0111\u01b0\u1eddng ray c\u00f3 r\u0103ng, cho n\u00ean c\u00f2n g\u1ecdi l\u00e0 \u0111\u01b0\u1eddng s\u1eaft ba ray hay \u0111\u01b0\u1eddng s\u1eaft ray c\u00f3 r\u0103ng. H\u00ecnh d\u00e1ng b\u00ean ngo\u00e0i c\u1ee7a t\u00e0u ho\u1ea3 leo n\u00fai kh\u00f4ng kh\u00e1c g\u00ec so v\u1edbi t\u00e0u ho\u1ea3 th\u00f4ng th\u01b0\u1eddng, nh\u01b0ng \u1edf d\u01b0\u1edbi g\u1ea7m t\u00e0u c\u00f3 l\u1eafp m\u1ed9t d\u00e3y b\u00e1nh r\u0103ng d\u1eabn \u0111\u1ed9ng. Khi leo n\u00fai, b\u00e1nh r\u0103ng \u1edf g\u1ea7m t\u00e0u \u0103n kh\u1edbp v\u1edbi ray c\u00f3 r\u0103ng \u1edf gi\u1eefa \u0111\u01b0\u1eddng t\u00e0u, t\u00e0u ho\u1ea3 do \u0111\u00f3 \u0111\u01b0\u1ee3c k\u00e9o v\u00e0 “b\u00f2” l\u00ean, gi\u1ed1ng nh\u01b0 c\u00e1c v\u1eadn \u0111\u1ed9ng vi\u00ean leo n\u00fai b\u00e1m v\u00e0o c\u00e1c g\u1edd \u0111\u00e1 \u0111\u1ec3 leo l\u00ean v\u1eady, c\u01a1 c\u1ea5u \u0111\u1eb7c bi\u1ec7t n\u00e0y c\u1ee7a \u0111\u01b0\u1eddng s\u1eaft leo n\u00fai khi\u1ebfn cho \u0111o\u00e0n t\u00e0u c\u00f3 th\u1ec3 an to\u00e0n leo l\u00ean cao v\u1edbi \u0111\u1ed9 d\u1ed1c 20%.<\/p>\n\n\n\n
\u0110\u01b0\u1eddng s\u1eaft leo n\u00fai v\u00e0 t\u00e0u leo n\u00fai do c\u00f3 s\u1ee9c ch\u1edf t\u01b0\u01a1ng \u0111\u1ed1i nh\u1ecf, kho\u1ea3ng c\u00e1ch v\u1eadn chuy\u1ec3n t\u01b0\u01a1ng \u0111\u1ed1i ng\u1eafn, t\u1ed1c \u0111\u1ed9 c\u0169ng kh\u00f4ng y\u00eau c\u1ea7u cao, v\u00e0 c\u00f3 b\u1ed9 ph\u1eadn h\u00e3m, n\u00ean trong qu\u00e1 tr\u00ecnh leo n\u00fai \u0111\u01b0\u1ee3c b\u1ea3o \u0111\u1ea3m an to\u00e0n. V\u00f9ng n\u00fai Alpes c\u1ee7a Thu\u1ef5 S\u0129 c\u00f3 x\u00e2y d\u1ef1ng \u0111\u01b0\u1eddng s\u1eaft nh\u01b0 th\u1ebf, chuy\u00ean d\u00f9ng \u0111\u1ec3 leo n\u00fai tham quan du l\u1ecbch. Du kh\u00e1ch ng\u1ed3i v\u00e0o toa t\u00e0u c\u00f3 th\u1ec3 th\u1ea5y s\u1ef1 t\u00e2n k\u1ef3 c\u1ee7a \u0111o\u1ea1n \u0111\u01b0\u1eddng leo n\u00fai, l\u1ea1i c\u00f3 th\u1ec3 ng\u1eafm c\u1ea3nh \u0111\u1eb9p, th\u1ef1c s\u1ef1 c\u1ea3m th\u1ea5y th\u00edch th\u00fa khi \u0111i du l\u1ecbch.<\/p>\n\n\n\n
T\u1eeb kho\u00e1: \u0110\u01b0\u1eddng s\u1eaft leo n\u00fai; \u0110\u01b0\u1eddng s\u1eaft ba ray; Thanh ray c\u00f3 b\u00e1nh r\u0103ng;<\/p>\n","protected":false},"excerpt":{"rendered":"
\u0110\u01b0\u1eddng s\u1eaft l\u00e0 m\u1ed9t h\u00ecnh th\u1ee9c giao th\u00f4ng tr\u00ean b\u1ed9 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i nh\u1ea5t, n\u00f3 c\u00f3 th\u1ec3 v\u01b0\u1ee3t qua s\u00f4ng b\u1eb1ng c\u1ea7u l\u1edbn, c\u0169ng c\u00f3 th\u1ec3 v\u01b0\u1ee3t qua n\u00fai cao b\u1eb1ng \u0111\u01b0\u1eddng h\u1ea7m. Tuy nhi\u00ean, n\u1ebfu m\u1ecdi ng\u01b0\u1eddi mu\u1ed1n leo l\u00ean n\u00fai cao, th\u00ec ch\u1ec9 c\u00f3 th\u1ec3 leo tr\u00e8o b\u1eb1ng ch\u00e2n, ho\u1eb7c l\u00e0 […]<\/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":[15,16],"tags":[],"class_list":["post-8860","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc","category-ky-thuat"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/8860","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=8860"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/8860\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=8860"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=8860"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=8860"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}