{"id":8862,"date":"2021-11-21T15:19:00","date_gmt":"2021-11-21T08:19:00","guid":{"rendered":"https:\/\/www.vietlearn.org\/post\/?p=8862"},"modified":"2021-11-21T16:03:00","modified_gmt":"2021-11-21T09:03:00","slug":"duong-sat-mot-ray-co-nhung-uu-diem-doc-dao-nao","status":"publish","type":"post","link":"https:\/\/www.vietlearn.org\/kien-thuc\/duong-sat-mot-ray-co-nhung-uu-diem-doc-dao-nao\/","title":{"rendered":"\u0110\u01b0\u1eddng s\u1eaft m\u1ed9t ray c\u00f3 nh\u1eefng \u01b0u \u0111i\u1ec3m \u0111\u1ed9c \u0111\u00e1o n\u00e0o?"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">N\u00f3i \u0111\u1ebfn \u0111\u01b0\u1eddng s\u1eaft, ch\u1eafc ch\u1eafn b\u1ea1n s\u1ebd ngh\u0129 \u0111\u1ebfn hai \u0111\u01b0\u1eddng ray ch\u1ea1y th\u1eb3ng t\u00edt v\u1ec1 ph\u01b0\u01a1ng xa. Nh\u01b0ng b\u1ea1n \u0111\u00e3 th\u1ea5y \u0111\u01b0\u1eddng s\u1eaft m\u1ed9t ray ch\u01b0a? \u0110o\u00e0n t\u00e0u ch\u1ea1y tr\u00ean m\u1ed9t ray nh\u01b0 th\u1ebf n\u00e0o?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u01b0\u1eddng s\u1eaft m\u1ed9t ray, l\u00e0 ch\u1ec9 lo\u1ea1i t\u00e0u ch\u1ea1y tr\u00ean \u0111\u01b0\u1eddng m\u1ed9t ray \u1edf tr\u00ean cao. Theo tr\u1ea1ng th\u00e1i ch\u1ea1y t\u00e0u kh\u00e1c nhau m\u00e0 chia ra hai lo\u1ea1i, l\u00e0 ki\u1ec3u treo v\u00e0 ki\u1ec3u \u0111\u1eb7t. D\u1ea7m c\u1ee7a \u0111\u01b0\u1eddng m\u1ed9t ray ki\u1ec3u treo \u0111\u01b0\u1ee3c \u0111\u1eb7t tr\u00ean nh\u1eefng c\u1ed9t th\u00e9p ho\u1eb7c b\u00eat\u00f4ng c\u1ed1t th\u00e9p theo m\u1ed9t kho\u1ea3ng c\u00e1ch nh\u1ea5t \u0111\u1ecbnh, \u0111o\u00e0n t\u00e0u \u0111\u01b0\u1ee3c treo v\u00e0o d\u1ea7m, c\u00f2n ki\u1ec3u \u0111\u1eb7t th\u00ec \u0111o\u00e0n t\u00e0u ch\u1ea1y tr\u00ean d\u1ea7m. D\u1ea7m \u0111\u01b0\u1eddng ray n\u00f3i chung l\u00e0 m\u1ed9t d\u1ea7m h\u00ecnh th\u00f9ng t\u1ee7 l\u00e0m b\u1eb1ng b\u00eat\u00f4ng ch\u1ecbu l\u1ef1c theo d\u1ef1 ki\u1ebfn, khi v\u01b0\u1ee3t qua s\u00f4ng v\u00e0 nh\u1eefng tuy\u1ebfn \u0111\u01b0\u1eddng giao th\u00f4ng kh\u00e1c, v\u00ec \u0111\u1ed9 d\u00e0i c\u1ee7a d\u1ea7m l\u1edbn n\u00ean c\u0169ng c\u00f3 l\u00fac ng\u01b0\u1eddi ta d\u00f9ng d\u1ea7m b\u1eb1ng th\u00e9p. \u0110o\u00e0n t\u00e0u c\u00f3 b\u00e1nh ch\u1ee7 \u0111\u1ed9ng v\u00e0 b\u00e1nh d\u1eabn h\u01b0\u1edbng. B\u00e1nh ch\u1ee7 \u0111\u1ed9ng l\u1ea5y m\u1eb7t tr\u00ean c\u1ee7a d\u1ea7m l\u00e0m \u0111\u01b0\u1eddng ray v\u00e0 \u0111\u1ee1 to\u00e0n th\u00e2n t\u00e0u; b\u00e1nh d\u1eabn h\u01b0\u1edbng l\u1ea5y hai m\u1eb7t b\u00ean c\u1ee7a d\u1ea7m l\u00e0m \u0111\u01b0\u1eddng ch\u1ea1y, d\u00f9ng \u0111\u1ec3 duy tr\u00ec s\u1ef1 \u1ed5n \u0111\u1ecbnh c\u1ee7a th\u00e2n t\u00e0u v\u00e0 d\u1eabn h\u01b0\u1edbng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u01b0\u1eddng s\u1eaft m\u1ed9t ray c\u00f3 nhi\u1ec1u \u01b0u \u0111i\u1ec3m \u0111\u1ed9c \u0111\u00e1o. Tr\u01b0\u1edbc h\u1ebft, di\u1ec7n t\u00edch chi\u1ebfm \u0111\u1ea5t c\u1ee7a n\u00f3 nh\u1ecf, r\u1ea5t d\u1ec5 th\u00edch \u1ee9ng v\u1edbi \u0111i\u1ec1u ki\u1ec7n \u0111\u1ecba l\u00fd, n\u00f3 ch\u1ec9 c\u1ea7n s\u1eed d\u1ee5ng di\u1ec7n t\u00edch b\u1ec7 \u0111\u1ee1 c\u1ed9t ch\u1ed1ng \u1edf tr\u00ean m\u1eb7t \u0111\u1ea5t l\u00e0 c\u00f3 th\u1ec3 m\u1edf m\u1ed9t tuy\u1ebfn giao th\u00f4ng m\u1edbi \u1edf b\u00ean tr\u00ean th\u00e0nh ph\u1ed1. N\u00f3 c\u0169ng c\u00f3 th\u1ec3 l\u1ee3i d\u1ee5ng kho\u1ea3ng kh\u00f4ng gian \u1edf b\u00ean tr\u00ean nh\u1eefng d\u1ea3i ph\u00e2n c\u00e1ch \u1edf gi\u1eefa nh\u1eefng con \u0111\u01b0\u1eddng hi\u1ec7n c\u00f3 ho\u1eb7c ph\u00eda tr\u00ean nh\u1eefng con s\u00f4ng c\u1ee7a th\u00e0nh ph\u1ed1 l\u00e0m \u0111\u01b0\u1eddng ray tr\u00ean kh\u00f4ng, m\u00e0 kh\u00f4ng c\u1ea7n di d\u1eddi c\u00e1c ki\u1ebfn tr\u00fac tr\u00ean m\u1eb7t \u0111\u1ea5t, l\u1ea1i kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn h\u01b0\u1edbng \u0111i v\u1ed1n c\u00f3 c\u1ee7a h\u1ec7 th\u1ed1ng \u0111\u01b0\u1eddng \u1ed1ng \u1edf d\u01b0\u1edbi \u0111\u1ea5t. M\u1eb7t kh\u00e1c, l\u01b0\u1ee3ng ch\u1edf kh\u00e1ch c\u1ee7a \u0111\u01b0\u1eddng s\u1eaft m\u1ed9t ray kh\u00e1 l\u1edbn, kh\u1ea3 n\u0103ng v\u1eadn chuy\u1ec3n m\u1ea1nh, m\u1ed7i gi\u1edd c\u00f3 th\u1ec3 v\u1eadn chuy\u1ec3n 1-2 v\u1ea1n l\u01b0\u1ee3t ng\u01b0\u1eddi. H\u01a1n n\u1eefa, chi ph\u00ed x\u00e2y d\u1ef1ng \u0111\u01b0\u1eddng s\u1eaft m\u1ed9t ray th\u1ea5p, thi c\u00f4ng t\u01b0\u01a1ng \u0111\u1ed1i gi\u1ea3n \u0111\u01a1n, ti\u1ec1n chi ph\u00ed x\u00e2y d\u1ef1ng ch\u1ec9 b\u1eb1ng 1\/4-1\/3 \u0111\u01b0\u1eddng t\u00e0u \u0111i\u1ec7n ng\u1ea7m, chi ph\u00ed v\u1ec1 b\u1ea3o d\u01b0\u1ee1ng v\u00e0 duy tu c\u0169ng th\u1ea5p h\u01a1n so v\u1edbi \u0111\u01b0\u1eddng t\u00e0u \u0111i\u1ec7n ng\u1ea7m v\u00e0 \u0111\u01b0\u1eddng s\u1eaft th\u00f4ng th\u01b0\u1eddng. Ngo\u00e0i ra kh\u1ea3 n\u0103ng leo d\u1ed1c c\u1ee7a n\u00f3 c\u0169ng l\u1edbn, c\u00f3 th\u1ec3 ch\u1ea1y tr\u00ean \u0111\u01b0\u1eddng d\u1ed1c 60\u2030 v\u00e0 \u0111\u01b0\u1eddng v\u00f2ng c\u00f3 b\u00e1n k\u00ednh cong nh\u1ecf 100 m; n\u00f3 c\u00f2n ti\u1ec7n l\u1ee3i cho vi\u1ec7c k\u1ebft h\u1ee3p v\u1edbi tham quan du l\u1ecbch, h\u00e0nh kh\u00e1ch c\u00f3 th\u1ec3 ng\u1ed3i b\u00ean c\u1eeda s\u1ed1 ng\u1eafm phong c\u1ea3nh th\u00e0nh ph\u1ed1.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T\u00e0u treo tr\u00ean \u0111\u01b0\u1eddng m\u1ed9t ray, khi ch\u1ea1y c\u00f3 th\u1ec3 r\u01a1i xu\u1ed1ng kh\u00f4ng? S\u1ef1 th\u1ef1c th\u00ec khi <a href=\"https:\/\/www.vietlearn.org\" data-internallinksmanager029f6b8e52c=\"2\" title=\"Vietlearn\" rel=\"nofollow\">thi\u1ebft k\u1ebf<\/a> \u0111\u00e3 \u0111\u1eb7t v\u1ea5n \u0111\u1ec1 an to\u00e0n l\u00ean h\u00e0ng \u0111\u1ea7u, to\u00e0n b\u1ed9 thi\u1ebft b\u1ecb t\u00edn hi\u1ec7u v\u00e0 v\u1eadn h\u00e0nh c\u1ee7a \u0111o\u00e0n t\u00e0u \u0111\u1ec1u \u0111\u01b0\u1ee3c gi\u00e1m s\u00e1t v\u00e0 \u0111i\u1ec1u khi\u1ec3n v\u1edbi trang thi\u1ebft b\u1ecb hi\u1ec7n \u0111\u1ea1i nh\u1ea5t, c\u00f3 th\u1ec3 n\u00f3i l\u00e0 r\u1ea5t an to\u00e0n. V\u00ed d\u1ee5 \u0111\u01b0\u1eddng t\u00e0u m\u1ed9t ray \u1edf th\u00e0nh ph\u1ed1 Wupertal c\u1ee7a \u0110\u1ee9c, \u0111\u00e3 ch\u1ea1y 80 n\u0103m, t\u1ed5ng h\u00e0nh tr\u00ecnh l\u00e0 250 tri\u1ec7u km, t\u01b0\u01a1ng \u0111\u01b0\u01a1ng 6000 v\u00f2ng v\u00f2ng quanh x\u00edch \u0111\u1ea1o c\u1ee7a Tr\u00e1i \u0110\u1ea5t, m\u00e0 ch\u01b0a ph\u00e1t sinh s\u1ef1 c\u1ed1 n\u00e0o. \u0110\u01b0\u1eddng s\u1eaft m\u1ed9t ray c\u1ee7a th\u00e0nh ph\u1ed1 Sydney c\u1ee7a \u00d4txtr\u00e2ylia v\u00e0 B\u1eafc Kyushu c\u1ee7a Nh\u1eadt B\u1ea3n c\u00f3 tr\u00ecnh \u0111\u1ed9 hi\u1ec7n \u0111\u1ea1i ho\u00e1 cao nh\u1ea5t hi\u1ec7n nay. Trong \u0111\u00f3, \u0111\u01b0\u1eddng s\u1eaft m\u1ed9t ray c\u1ee7a Sydney \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o s\u1eed d\u1ee5ng n\u0103m 1988 \u0111\u00e3 n\u1ed1i li\u1ec1n khu th\u01b0\u01a1ng nghi\u1ec7p trung t\u00e2m v\u1edbi khu c\u1ea3ng, \u0111o\u00e0n t\u00e0u d\u00f9ng k\u1ebft c\u1ea5u h\u00ecnh h\u00f2m k\u00edn l\u00e0m b\u1eb1ng th\u00e9p, th\u1ef1c hi\u1ec7n \u0111i\u1ec1u khi\u1ec3n t\u1ef1 \u0111\u1ed9ng b\u1eb1ng m\u00e1y t\u00ednh tr\u00ean to\u00e0n tuy\u1ebfn, c\u1ee9 hai ph\u00fat th\u00ec c\u00f3 m\u1ed9t chuy\u1ebfn t\u00e0u, t\u1ed1c \u0111\u1ed9 cao nh\u1ea5t l\u00e0 35 km\/gi\u1edd, m\u1ed7i gi\u1edd c\u00f3 th\u1ec3 v\u1eadn chuy\u1ec3n 5000 l\u01b0\u1ee3t ng\u01b0\u1eddi, v\u1eeba nhanh l\u1ea1i v\u1eeba an to\u00e0n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T\u1ea1i sao \u0111o\u00e0n t\u00e0u tr\u1ecdng t\u1ea3i c\u00f3 s\u1ee9c ch\u1edf \u0111\u1eb7c bi\u1ec7t l\u1edbn?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Trong m\u1ea1ng l\u01b0\u1edbi giao th\u00f4ng \u0111\u01b0\u1eddng s\u1eaft c\u1ee7a Trung Qu\u1ed1c c\u00f3 m\u1ed9t tuy\u1ebfn \u0111\u01b0\u1eddng v\u1eadn t\u1ea3i \u0111\u1eb7c bi\u1ec7t, \u0111\u00f3 l\u00e0 \u0111\u01b0\u1eddng s\u1eaft \u0111i\u1ec7n kh\u00ed ho\u00e1 t\u1eeb \u0110\u1ea1i \u0110\u1ed3ng c\u1ee7a t\u1ec9nh S\u01a1n T\u00e2y \u0111\u1ebfn \u0111\u1ea3o T\u1ea7n Ho\u00e0ng c\u1ee7a t\u1ec9nh H\u00e0 B\u1eafc. \u0110\u00f3 l\u00e0 tuy\u1ebfn v\u1eadn chuy\u1ec3n tr\u1ecdng t\u1ea3i b\u1eb1ng \u0111\u01b0\u1eddng s\u1eaft \u0111\u1ea7u ti\u00ean c\u1ee7a Trung Qu\u1ed1c, \u0111o\u00e0n t\u00e0u ch\u1ea1y qua tuy\u1ebfn \u0111\u01b0\u1eddng n\u00e0y \u00f9n \u00f9n chuy\u1ec3n than c\u1ee7a m\u1ecf than \u0110\u1ea1i \u0110\u1ed3ng v\u1ec1 c\u1ea3ng T\u1ea7n Ho\u00e0ng \u0110\u1ea3o &#8211; m\u1ed9t c\u1ea3ng t\u1eadp trung v\u00e0 ph\u00e2n ph\u1ed1i than quan tr\u1ecdng, r\u1ed3i t\u1eeb \u0111\u00f3 chuy\u1ec3n than l\u00ean t\u00e0u thu\u1ef7 \u0111\u01b0a \u0111i c\u00e1c c\u1ea3ng l\u1edbn c\u1ee7a Trung Qu\u1ed1c v\u00e0 th\u1ebf gi\u1edbi.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">So s\u00e1nh v\u1edbi c\u00e1c \u0111o\u00e0n t\u00e0u th\u00f4ng th\u01b0\u1eddng, s\u1ee9c ch\u1edf c\u1ee7a \u0111o\u00e0n t\u00e0u tr\u1ecdng t\u1ea3i l\u1edbn h\u01a1n nhi\u1ec1u, th\u01b0\u1eddng l\u1edbn h\u01a1n g\u1ea5p 2-3 l\u1ea7n. T\u1ea1i sao \u0111o\u00e0n t\u00e0u tr\u1ecdng t\u1ea3i l\u1edbn &#8220;kho\u1ebb&#8221; nh\u01b0 v\u1eady?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nguy\u00ean do l\u00e0, s\u1ee9c k\u00e9o c\u1ee7a \u0111o\u00e0n t\u00e0u tu\u1ef3 thu\u1ed9c v\u00e0o c\u00f4ng su\u1ea5t c\u1ee7a \u0111\u1ea7u m\u00e1y l\u1edbn hay nh\u1ecf v\u00e0 t\u00ednh n\u0103ng c\u1ee7a n\u00f3 t\u1ed1t hay x\u1ea5u. \u0110o\u00e0n t\u00e0u tr\u1ecdng t\u1ea3i th\u01b0\u1eddng d\u00f9ng \u0111\u1ea7u m\u00e1y c\u00f3 s\u1ee9c k\u00e9o kho\u1ebb l\u00e0m \u0111\u1ed9ng l\u1ef1c, ho\u1eb7c do hai \u0111\u1ea7u m\u00e1y tr\u1edf l\u00ean c\u1ee7a t\u00e0u ho\u1ea3 th\u00f4ng th\u01b0\u1eddng \u0111\u1ec3 k\u00e9o. S\u1ee9c ch\u1edf l\u1edbn nh\u1ea5t c\u1ee7a \u0111o\u00e0n t\u00e0u tr\u1ecdng t\u1ea3i k\u00e9o b\u1eb1ng \u0111\u1ea7u m\u00e1y c\u00f4ng su\u1ea5t l\u1edbn th\u01b0\u1eddng l\u00e0 5000 t\u1ea5n tr\u1edf l\u00ean, c\u00f2n \u0111\u1ea7u m\u00e1y th\u00f4ng th\u01b0\u1eddng ch\u1ec9 k\u00e9o \u0111\u01b0\u1ee3c 2000-3000 t\u1ea5n. Khi \u0111o\u00e0n t\u00e0u tr\u1ecdng t\u1ea3i \u0111\u01b0\u1ee3c k\u00e9o b\u1eb1ng nhi\u1ec1u \u0111\u1ea7u m\u00e1y, th\u00ec c\u00e1c \u0111\u1ea7u m\u00e1y \u0111\u01b0\u1ee3c s\u1ef1 \u0111i\u1ec1u khi\u1ec3n v\u00e0 \u0111i\u1ec1u \u0111\u1ed9 th\u1ed1ng nh\u1ea5t &#8220;c\u00f9ng ph\u00e1t l\u1ef1c&#8221;, do v\u1eady s\u1ee9c k\u00e9o \u0111\u01b0\u1ee3c t\u0103ng l\u00ean r\u1ea5t nhi\u1ec1u, s\u1ee9c ch\u1edf \u0111\u01b0\u01a1ng nhi\u00ean c\u0169ng \u0111\u1eb7c bi\u1ec7t l\u1edbn.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1eb7c \u0111i\u1ec3m r\u00f5 n\u00e9t c\u1ee7a \u0111o\u00e0n t\u00e0u tr\u1ecdng t\u1ea3i l\u00e0 n\u00e2ng cao kh\u1ea3 n\u0103ng v\u1eadn chuy\u1ec3n c\u1ee7a \u0111o\u00e0n t\u00e0u, \u0111i\u1ec1u n\u00e0y r\u1ea5t quan tr\u1ecdng \u1edf nh\u1eefng n\u01a1i c\u00f3 s\u1ef1 v\u1eadn chuy\u1ec3n th\u01b0\u1eddng xuy\u00ean. \u0110i\u1ec1u th\u00fa v\u1ecb l\u00e0, c\u00f3 nh\u1eefng \u0111o\u00e0n t\u00e0u tr\u1ecdng t\u1ea3i k\u00e9o b\u1eb1ng nhi\u1ec1u \u0111\u1ea7u m\u00e1y th\u01b0\u1eddng l\u00e0 m\u1ed9t t\u1ed5 h\u1ee3p t\u1ea1m th\u1eddi c\u1ee7a nhi\u1ec1u \u0111o\u00e0n t\u00e0u. Khi nhi\u1ec1u \u0111o\u00e0n t\u00e0u ch\u1edf h\u00e0ng \u0111\u1ec1u c\u1ea7n \u0111i qua tr\u00ean c\u00f9ng m\u1ed9t \u0111o\u1ea1n \u0111\u01b0\u1eddng th\u01b0\u1eddng ng\u01b0\u1eddi ta n\u1ed1i ch\u00fang l\u1ea1i v\u1edbi nhau, \u0111\u1ea7u t\u00e0u n\u00e0y n\u1ed1i v\u00e0o \u0111u\u00f4i t\u00e0u kia, h\u1ee3p th\u00e0nh m\u1ed9t \u0111o\u00e0n t\u00e0u tr\u1ecdng t\u1ea3i t\u1ea1m th\u1eddi. C\u00e1c \u0111\u1ea7u m\u00e1y c\u1ee7a nh\u1eefng \u0111o\u00e0n t\u00e0u \u0111\u00f3 \u0111\u01b0\u1ee3c ch\u1ec9 huy th\u1ed1ng nh\u1ea5t, duy tr\u00ec nh\u1ecbp nh\u00e0ng t\u1ed1c \u0111\u1ed9 chung v\u00e0 h\u00e3m phanh chung, th\u1ef1c hi\u1ec7n thao t\u00e1c \u0111\u1ed3ng b\u1ed9. Sau khi c\u00f9ng ch\u1ea1y qua m\u1ed9t \u0111o\u1ea1n \u0111\u01b0\u1eddng, \u0111o\u00e0n t\u00e0u tr\u1ecdng t\u1ea3i l\u1ea1i ph\u00e2n t\u00e1n th\u00e0nh t\u1eebng \u0111o\u00e0n t\u00e0u th\u01b0\u1eddng, l\u1ea7n l\u01b0\u1ee3t \u0111i theo c\u00e1c tuy\u1ebfn \u0111\u01b0\u1eddng v\u1edbi ph\u01b0\u01a1ng h\u01b0\u1edbng kh\u00e1c nhau, \u0111\u1ec3 \u0111\u1ebfn \u0111\u1ecba \u0111i\u1ec3m c\u1ee7a m\u00ecnh.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T\u1eeb kho\u00e1: T\u00e0i tr\u1ecdng t\u1ea3i; \u0110\u1ea7u m\u00e1y c\u00f4ng su\u1ea5t l\u1edbn.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>N\u00f3i \u0111\u1ebfn \u0111\u01b0\u1eddng s\u1eaft, ch\u1eafc ch\u1eafn b\u1ea1n s\u1ebd ngh\u0129 \u0111\u1ebfn hai \u0111\u01b0\u1eddng ray ch\u1ea1y th\u1eb3ng t\u00edt v\u1ec1 ph\u01b0\u01a1ng xa. Nh\u01b0ng b\u1ea1n \u0111\u00e3 th\u1ea5y \u0111\u01b0\u1eddng s\u1eaft m\u1ed9t ray ch\u01b0a? \u0110o\u00e0n t\u00e0u ch\u1ea1y tr\u00ean m\u1ed9t ray nh\u01b0 th\u1ebf n\u00e0o? \u0110\u01b0\u1eddng s\u1eaft m\u1ed9t ray, l\u00e0 ch\u1ec9 lo\u1ea1i t\u00e0u ch\u1ea1y tr\u00ean \u0111\u01b0\u1eddng m\u1ed9t ray \u1edf tr\u00ean cao. Theo tr\u1ea1ng [&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":[15,16],"tags":[],"class_list":["post-8862","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\/8862","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=8862"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/8862\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=8862"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=8862"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=8862"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}