{"id":352,"date":"2025-03-27T22:33:19","date_gmt":"2025-03-27T14:33:19","guid":{"rendered":"https:\/\/tilearn.space\/?p=352"},"modified":"2025-03-27T22:34:55","modified_gmt":"2025-03-27T14:34:55","slug":"2024%e5%b1%8a%e5%ae%9d%e5%b1%b1%e5%8c%ba%e5%88%9d%e4%b8%89%e4%ba%8c%e6%a8%a1%e6%95%b0%e5%ad%a6%e8%af%95%e5%8d%b7%e7%b2%be%e8%ae%b2%ef%bc%88%e7%ac%ac22%e9%a2%98%ef%bc%89","status":"publish","type":"post","link":"https:\/\/tilearn.space\/?p=352","title":{"rendered":"2024\u5c4a\u5b9d\u5c71\u533a\u521d\u4e09\u4e8c\u6a21\u6570\u5b66\u8bd5\u5377\u7cbe\u8bb2\uff08\u7b2c22\u9898\uff09"},"content":{"rendered":"
\n

\u9898\u76ee\uff1a<\/strong>\u5c0f\u660e\u5bb6\u9662\u5185\u9760\u5899\u5b89\u88c5\u4e86\u4e00\u4e2a\u906e\u9633\u7bf7\uff08\u5982\u56fe1\uff09\uff0c\u56fe2\u662f\u5b83\u7684\u4fa7\u9762\u793a\u610f\u56fe\uff0c\u906e\u9633\u7bf7\u957fAC=6\u7c73\uff0c\u4e0e\u6c34\u5e73\u9762\u7684\u5939\u89d2\u4e3a17.5\u00b0\uff0c\u9760\u5899\u7aefA\u79bb\u5730\u9ad8\u5ea6AB=5\u7c73\uff0c\u5df2\u77e5\u8be5\u5730\u533a\u51ac\u81f3\u6b63\u5348\u592a\u9633\u5149\u7167\u5165\u5c04\u89d2\u2220CDF=36.9\u00b0\uff0c\u590f\u81f3\u6b63\u5348\u592a\u9633\u5149\u7167\u5165\u5c04\u89d2\u2220CEF=82.4\u00b0\u3002\u56e0\u6b64\uff0c\u70b9D\u3001E\u4e4b\u95f4\u7684\u533a\u57df\u662f\u4e00\u5e74\u56db\u5b63\u4e2d\u9633\u5149\u4e0d\u4e00\u5b9a\u7167\u5c04\u5230\u7684\u533a\u57df\u3002\u6c42\u8be5\u533a\u57df\u6df1\u5ea6DE\u7684\u957f\u3002\uff08\u7ed3\u679c\u7cbe\u786e\u52300.1\u7c73\uff09\u53c2\u8003\u6570\u636e\uff1asin17.5\u00b0\u22480.3, cos17.5\u00b0\u22480.95, tan17.5\u00b0\u22480.32\uff1bsin36.9\u00b0\u22480.6, cos36.9\u00b0\u22480.8, tan36.9\u00b0\u22480.75\uff1bsin82.4\u00b0\u22480.99, cos82.4\u00b0\u22480.13, tan82.4\u00b0\u22487.5\u3002<\/p>\n

\"02b6f7a70ac81e2d99648f404b792421\"<\/strong><\/p>\n

\u8be6\u7ec6\u89e3\u7b54\uff1a<\/strong><\/p>\n

\"ade3d8758dffaa0778c4a859f1b8aca0\"<\/p>\n

\u89e3\uff1a\u8fc7C\u4f5cCG\u22a5AB\u4e8eG\uff0cCH\u22a5DE\u4e8eH\u3002<\/p>\n

\u6839\u636e\u9898\u610f\u77e5\u2220B=90\u00b0\u3002<\/p>\n

\u2234\u56db\u8fb9\u5f62CGBH\u662f\u77e9\u5f62\u3002<\/p>\n

\u2234CH=BG\u3002<\/p>\n

\u5728Rt\u25b3ACG\u4e2d\uff0cAG=AC\u00b7sin\u2220ACG=6\u00d7sin17.5\u00b0=6\u00d70.3=1.8\u3002<\/p>\n

\u53c8AB=5\uff0c<\/p>\n

\u2234CH=BG=AB\u2212AG=3.2\u3002<\/p>\n

\u5728Rt\u25b3CEH\u4e2d\uff0cEH= \\(\\frac{CH}{tan\u2220CEH}\\)=\\(\\frac{3.2}{tan82.4\u00b0}\\)\u2248\\(\\frac{3.2}{7.5}\\)\u22480.43\u3002<\/p>\n

\u5728Rt\u25b3CDH\u4e2d\uff0cDH= \\(\\frac{CH}{tan\u2220CDH}\\)=\\(\\frac{3.2}{tan36.9\u00b0}\\)\u2248\\(\\frac{3.2}{0.75}\\)\u22484.27\u3002<\/p>\n

\u2234DE=DH\u2212EH=4.27\u22120.43\u22483.8\u3002<\/p>\n

\u7b54\uff1a\u8be5\u533a\u57df\u6df1\u5ea6DE\u7684\u957f\u4e3a3.8\u7c73\u3002<\/p>\n

\u76f8\u5173\u77e5\u8bc6\u70b9\u590d\u4e60\uff1a<\/strong><\/p>\n

1. \u76f4\u89d2\u4e09\u89d2\u5f62\u7684\u57fa\u672c\u6027\u8d28\u53ca\u5176\u5e94\u7528\u3002<\/p>\n

2. \u6b63\u5f26\u3001\u4f59\u5f26\u3001\u6b63\u5207\u51fd\u6570\u7684\u5b9a\u4e49\u53ca\u5e94\u7528\u3002<\/p>\n

3. \u89e3\u76f4\u89d2\u4e09\u89d2\u5f62\u7684\u65b9\u6cd5\u3002<\/p>\n

\u6613\u9519\u63d0\u793a\u548c\u62d3\u5c55\uff1a<\/strong><\/p>\n

1. \u5728\u89e3\u9898\u8fc7\u7a0b\u4e2d\u8981\u6ce8\u610f\u89d2\u5ea6\u7684\u5355\u4f4d\uff0c\u786e\u4fdd\u4f7f\u7528\u6b63\u786e\u7684\u4e09\u89d2\u51fd\u6570\u503c\u3002<\/p>\n

2. \u5728\u8ba1\u7b97\u8fc7\u7a0b\u4e2d\u8981\u4fdd\u7559\u8db3\u591f\u7684\u6709\u6548\u6570\u5b57\uff0c\u4ee5\u4fdd\u8bc1\u6700\u7ec8\u7ed3\u679c\u7684\u51c6\u786e\u6027\u3002<\/p>\n

3. \u53ef\u4ee5\u8fdb\u4e00\u6b65\u63a2\u8ba8\u4e0d\u540c\u5b63\u8282\u592a\u9633\u5149\u7167\u5165\u5c04\u89d2\u7684\u53d8\u5316\u5bf9\u906e\u9633\u7bf7\u9634\u5f71\u533a\u57df\u7684\u5f71\u54cd\u3002<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

\u9898\u76ee\uff1a\u5c0f\u660e\u5bb6\u9662\u5185\u9760\u5899\u5b89\u88c5\u4e86\u4e00\u4e2a\u906e\u9633\u7bf7\uff08\u5982\u56fe1\uff09\uff0c\u56fe2\u662f\u5b83\u7684\u4fa7\u9762\u793a\u610f\u56fe\uff0c\u906e\u9633\u7bf7\u957fAC=6\u7c73\uff0c\u4e0e\u6c34\u5e73\u9762\u7684\u5939\u89d2\u4e3a17 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-352","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/tilearn.space\/index.php?rest_route=\/wp\/v2\/posts\/352","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tilearn.space\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tilearn.space\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tilearn.space\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/tilearn.space\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=352"}],"version-history":[{"count":3,"href":"https:\/\/tilearn.space\/index.php?rest_route=\/wp\/v2\/posts\/352\/revisions"}],"predecessor-version":[{"id":357,"href":"https:\/\/tilearn.space\/index.php?rest_route=\/wp\/v2\/posts\/352\/revisions\/357"}],"wp:attachment":[{"href":"https:\/\/tilearn.space\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=352"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tilearn.space\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=352"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tilearn.space\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=352"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}