{"id":518405,"date":"2024-06-05T06:27:38","date_gmt":"2024-06-04T22:27:38","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/518405.html"},"modified":"2024-06-05T06:27:40","modified_gmt":"2024-06-04T22:27:40","slug":"%e9%a1%b9%e7%9b%ae%e7%ae%a1%e7%90%86et%e5%92%8clt%e5%a6%82%e4%bd%95%e8%ae%a1%e7%ae%97","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/518405.html","title":{"rendered":"\u9879\u76ee\u7ba1\u7406ET\u548cLT\u5982\u4f55\u8ba1\u7b97"},"content":{"rendered":"<p style=\"text-align:center\"><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/24183947\/c32d3bc2-7553-4e07-93be-def14b05a258.webp\" alt=\"\u9879\u76ee\u7ba1\u7406ET\u548cLT\u5982\u4f55\u8ba1\u7b97\" \/><\/p>\n<p><p><a href=\"https:\/\/docs.pingcode.com\/blog\/project-management\/23316.html\" target=\"_blank\">\u9879\u76ee\u7ba1\u7406<\/a>\u4e2d\u7684ET\uff08Estimated Time, \u9884\u8ba1\u65f6\u95f4\uff09\u548cLT\uff08Lead Time, \u63d0\u524d\u671f\uff09\u662f\u4e24\u4e2a\u5173\u952e\u7684\u65f6\u95f4\u7ba1\u7406\u6982\u5ff5\u3002<strong>ET\u662f\u6307\u5b8c\u6210\u67d0\u9879\u4efb\u52a1\u6216\u9879\u76ee\u6240\u9700\u7684\u9884\u8ba1\u65f6\u957f\u3001\u800cLT\u662f\u4ece\u5f00\u59cb\u76f4\u81f3\u5b8c\u6210\u4efb\u52a1\u4e4b\u95f4\u6240\u9700\u7684\u7b49\u5f85\u65f6\u95f4\u6216\u8005\u662f\u4e24\u4e2a\u4efb\u52a1\u4e4b\u95f4\u53ef\u80fd\u5b58\u5728\u7684\u91cd\u53e0\u65f6\u95f4<\/strong>\u3002\u7406\u89e3ET\u548cLT\u5bf9\u4e8e\u786e\u4fdd\u9879\u76ee\u6309\u65f6\u5b8c\u6210\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<\/p>\n<p><p>ET\u901a\u5e38\u662f\u57fa\u4e8e\u5386\u53f2\u6570\u636e\u3001\u4e13\u5bb6\u5224\u65ad\u6216<a href=\"https:\/\/docs.pingcode.com\/agile\/project-management\/estimation\" target=\"_blank\">\u4f30\u7b97<\/a>\u65b9\u6cd5\uff08\u5982PERT\u6216\u4e09\u70b9\u4f30\u7b97\uff09\u6765\u786e\u5b9a\u7684\uff0c\u5b83\u9700\u8981\u8003\u8651\u4efb\u52a1\u590d\u6742\u6027\u3001\u8d44\u6e90\u53ef\u7528\u6027\u3001\u4ee5\u53ca\u53ef\u80fd\u5f71\u54cd\u4efb\u52a1\u5b8c\u6210\u7684\u4efb\u4f55\u4e0d\u786e\u5b9a\u56e0\u7d20\u3002\u800cLT\u5219\u6d89\u53ca\u5230\u4efb\u52a1\u95f4\u7684\u534f\u8c03\uff0c\u6bd4\u5982\u5728\u4f9b\u5e94\u94fe\u7ba1\u7406\u4e2d\uff0c\u63d0\u524d\u671f\u53ef\u80fd\u5305\u62ec\u4ece\u4f9b\u5e94\u5546\u5904\u8ba2\u8d2d\u539f\u6750\u6599\u5230\u6536\u5230\u6750\u6599\u7684\u6574\u4e2a\u65f6\u671f\u3002<\/p>\n<\/p>\n<p><p>\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u8be6\u7ec6\u63a2\u8ba8\u5982\u4f55\u8ba1\u7b97ET\u548cLT\uff0c\u5e76\u4e86\u89e3\u5b83\u4eec\u5728\u9879\u76ee\u7ba1\u7406\u4e2d\u7684\u5e94\u7528\u3002<\/p>\n<\/p>\n<p><h3>\u4e00\u3001\u9884\u8ba1\u65f6\u95f4\uff08ET\uff09\u7684\u8ba1\u7b97\u65b9\u6cd5<\/h3>\n<\/p>\n<p><h4>\u6982\u5ff5\u7406\u89e3<\/h4>\n<\/p>\n<p><p>\u9884\u8ba1\u65f6\u95f4\uff08ET\uff09\u7684\u8ba1\u7b97\u901a\u5e38\u57fa\u4e8e\u4efb\u52a1\u7684\u590d\u6742\u6027\u548c\u6267\u884c\u4efb\u52a1\u6240\u9700\u7684\u8d44\u6e90\u3002\u5728\u9879\u76ee\u7ba1\u7406\u4e2d\uff0cET\u7684\u8ba1\u7b97\u4e0d\u662f\u7b80\u5355\u7684\u731c\u6d4b\uff0c\u800c\u662f\u9700\u8981\u901a\u8fc7\u4e13\u4e1a\u7684\u4f30\u7b97\u65b9\u6cd5\u6765\u5f97\u51fa\u3002<\/p>\n<\/p>\n<p><h4>\u8ba1\u7b97\u6280\u5de7<\/h4>\n<\/p>\n<p><p>\u4e00\u79cd\u5e38\u89c1\u7684ET\u8ba1\u7b97\u65b9\u6cd5\u662f\u4e09\u70b9\u4f30\u7b97\uff0c\u5b83\u4f7f\u7528\u6700\u4e50\u89c2\uff08O\uff09\u3001\u6700\u53ef\u80fd\uff08M\uff09\u548c\u6700\u60b2\u89c2\uff08P\uff09\u7684\u65f6\u95f4\u4f30\u8ba1\u6765\u8ba1\u7b97\u9884\u8ba1\u65f6\u95f4\u3002\u516c\u5f0f\u4e3a\uff1aET = (O + 4M + P) \/ 6\u3002\u8fd9\u79cd\u65b9\u6cd5\u901a\u8fc7\u8003\u8651\u4e0d\u786e\u5b9a\u6027\uff0c\u63d0\u4f9b\u4e86\u4e00\u4e2a\u66f4\u52a0\u5e73\u8861\u7684\u65f6\u95f4\u4f30\u8ba1\u3002<\/p>\n<\/p>\n<p><h3>\u4e8c\u3001\u63d0\u524d\u671f\uff08LT\uff09\u7684\u7406\u89e3\u4e0e\u8ba1\u7b97<\/h3>\n<\/p>\n<p><h4>\u6982\u5ff5\u7406\u89e3<\/h4>\n<\/p>\n<p><p>\u63d0\u524d\u671f\uff08LT\uff09\u662f\u6307\u5b8c\u6210\u4e00\u4e2a\u4efb\u52a1\u6240\u9700\u7684\u603b\u65f6\u95f4\uff0c\u5305\u62ec\u6240\u6709\u51c6\u5907\u5de5\u4f5c\u548c\u5b9e\u9645\u6267\u884c\u65f6\u95f4\u3002\u5728\u9879\u76ee\u6392\u7a0b\u4e2d\uff0cLT\u6709\u52a9\u4e8e\u8bc6\u522b\u4efb\u52a1\u95f4\u7684\u4f9d\u8d56\u5173\u7cfb\uff0c\u5e76\u5b89\u6392\u76f8\u5e94\u7684\u7f13\u51b2\u65f6\u95f4\u3002<\/p>\n<\/p>\n<p><h4>\u8ba1\u7b97\u6280\u5de7<\/h4>\n<\/p>\n<p><p>LT\u7684\u8ba1\u7b97\u76f8\u5bf9\u76f4\u89c2\uff0c\u901a\u5e38\u662f\u4ece\u4efb\u52a1\u5f00\u59cb\u5230\u7ed3\u675f\u7684\u65f6\u95f4\u8de8\u5ea6\u3002\u5728\u6709\u4f9d\u8d56\u5173\u7cfb\u7684\u4efb\u52a1\u4e2d\uff0cLT\u8fd8\u5e94\u8003\u8651\u5230\u76f8\u4e92\u4e4b\u95f4\u7684\u7b49\u5f85\u65f6\u95f4\u6216\u91cd\u53e0\u65f6\u95f4\u3002\u4f8b\u5982\uff0c\u5982\u679c\u4efb\u52a1B\u4f9d\u8d56\u4e8e\u4efb\u52a1A\u7684\u5b8c\u6210\uff0c\u4efb\u52a1A\u7684\u7ed3\u675f\u65f6\u95f4\u548c\u4efb\u52a1B\u7684\u5f00\u59cb\u65f6\u95f4\u4e4b\u95f4\u7684\u65f6\u6bb5\u5373\u4e3aLT\u3002<\/p>\n<\/p>\n<p><h3>\u4e09\u3001\u7efc\u5408\u5e94\u7528ET\u548cLT<\/h3>\n<\/p>\n<p><h4>\u9879\u76ee\u6392\u7a0b<\/h4>\n<\/p>\n<p><p>\u5728\u9879\u76ee\u6392\u7a0b\u65f6\uff0c<strong>ET\u548cLT\u7684\u51c6\u786e\u8ba1\u7b97\u5bf9\u4e8e\u5236\u5b9a\u5b9e\u9645\u53ef\u884c\u7684\u65f6\u95f4\u8868\u81f3\u5173\u91cd\u8981<\/strong>\u3002<a href=\"https:\/\/docs.pingcode.com\/blog\/project-management\/61672.html\" target=\"_blank\">\u9879\u76ee\u7ecf\u7406<\/a>\u9700\u8981\u5c06ET\u548cLT\u7ed3\u5408\u8d77\u6765\uff0c\u4ee5\u786e\u5b9a\u9879\u76ee\u5404\u9636\u6bb5\u7684\u8d77\u6b62\u65f6\u95f4\uff0c\u5e76\u4e3a\u4e0d\u53ef\u9884\u89c1\u7684\u5ef6\u8bef\u8bbe\u7f6e\u7f13\u51b2\u3002<\/p>\n<\/p>\n<p><h4>\u98ce\u9669\u7ba1\u7406<\/h4>\n<\/p>\n<p><p>\u901a\u8fc7\u5bf9ET\u548cLT\u7684\u5206\u6790\uff0c\u9879\u76ee\u7ecf\u7406\u53ef\u4ee5\u8bc6\u522b\u53ef\u80fd\u7684\u65f6\u95f4\u98ce\u9669\uff0c\u5e76\u5236\u5b9a\u76f8\u5e94\u7684\u5e94\u5bf9\u7b56\u7565\u3002\u4f8b\u5982\uff0c\u5982\u679c\u67d0\u4e2a\u5173\u952e\u4efb\u52a1\u7684LT\u8f83\u957f\uff0c\u9879\u76ee\u7ecf\u7406\u53ef\u80fd\u4f1a\u5bfb\u6c42\u7f29\u77edLT\u6216\u8005\u5bfb\u627e\u66ff\u4ee3\u65b9\u6848\u6765\u51cf\u5c11\u65f6\u95f4\u98ce\u9669\u3002<\/p>\n<\/p>\n<p><h3>\u56db\u3001\u6848\u4f8b\u5206\u6790\uff1aET\u548cLT\u7684\u5e94\u7528<\/h3>\n<\/p>\n<p><h4>\u5b9e\u9645\u6848\u4f8b<\/h4>\n<\/p>\n<p><p>\u5728\u4e00\u4e2a\u5efa\u7b51\u9879\u76ee\u4e2d\uff0cET\u53ef\u4ee5\u7528\u4e8e\u4f30\u7b97\u5b8c\u6210\u5730\u57fa\u5de5\u4f5c\u3001\u5efa\u7b51\u4e3b\u4f53\u3001\u5185\u90e8\u88c5\u4fee\u7b49\u5404\u4e2a\u9636\u6bb5\u7684\u65f6\u95f4\u3002\u800cLT\u5219\u53ef\u4ee5\u7528\u4e8e\u8ba1\u5212\u6750\u6599\u91c7\u8d2d\u3001\u65bd\u5de5\u961f\u4f0d\u8c03\u5ea6\u7b49\u3002<\/p>\n<\/p>\n<p><h4>\u7ecf\u9a8c\u603b\u7ed3<\/h4>\n<\/p>\n<p><p><strong>\u9879\u76ee\u7ba1\u7406\u5b9e\u8df5\u8868\u660e\uff0cET\u548cLT\u7684\u6709\u6548\u8ba1\u7b97\u548c\u7ba1\u7406\uff0c\u53ef\u4ee5\u663e\u8457\u63d0\u9ad8\u9879\u76ee\u6210\u529f\u7684\u6982\u7387\uff0c\u5e76\u4e14\u51cf\u5c11\u6210\u672c\u548c\u65f6\u95f4\u7684\u8d85\u652f<\/strong>\u3002\u9879\u76ee\u7ecf\u7406\u9700\u8981\u4e0d\u65ad\u5730\u5ba1\u89c6\u548c\u8c03\u6574ET\u548cLT\u7684\u4f30\u7b97\uff0c\u4ee5\u5e94\u5bf9\u9879\u76ee\u5b9e\u65bd\u4e2d\u7684\u53d8\u5316\u3002<\/p>\n<\/p>\n<p><h3>\u4e94\u3001\u603b\u7ed3\u4e0e\u5efa\u8bae<\/h3>\n<\/p>\n<p><p>\u5728\u9879\u76ee\u7ba1\u7406\u4e2d\uff0c<strong>ET\u548cLT\u7684\u51c6\u786e\u8ba1\u7b97\u662f\u786e\u4fdd\u9879\u76ee\u6309\u65f6\u5b8c\u6210\u7684\u5173\u952e<\/strong>\u3002\u9879\u76ee\u7ecf\u7406\u9700\u8981\u638c\u63e1\u5404\u79cd\u4f30\u7b97\u65b9\u6cd5\uff0c\u540c\u65f6\u8003\u8651\u5230\u9879\u76ee\u5b9e\u65bd\u8fc7\u7a0b\u4e2d\u53ef\u80fd\u51fa\u73b0\u7684\u5404\u79cd\u53d8\u6570\u3002\u4e0d\u65ad\u5730\u76d1\u63a7\u548c\u8c03\u6574\u65f6\u95f4\u4f30\u7b97\uff0c\u53ef\u4ee5\u5e2e\u52a9\u9879\u76ee\u56e2\u961f\u66f4\u597d\u5730\u638c\u63e1\u9879\u76ee\u8fdb\u5ea6\uff0c\u53ca\u65f6\u53d1\u73b0\u95ee\u9898\uff0c\u5e76\u91c7\u53d6\u76f8\u5e94\u63aa\u65bd\u3002<\/p>\n<\/p>\n<p><p>\u901a\u8fc7\u672c\u6587\u7684\u4ecb\u7ecd\uff0c\u6211\u4eec\u4e86\u89e3\u4e86\u5982\u4f55\u8ba1\u7b97ET\u548cLT\u4ee5\u53ca\u5b83\u4eec\u5728\u9879\u76ee\u7ba1\u7406\u4e2d\u7684\u91cd\u8981\u6027\u3002\u9879\u76ee\u7ecf\u7406\u5e94\u8be5\u5c06\u8fd9\u4e9b\u77e5\u8bc6\u5e94\u7528\u4e8e\u5b9e\u9645\u7684\u9879\u76ee\u7ba1\u7406\u5b9e\u8df5\u4e2d\uff0c\u4ee5\u63d0\u9ad8\u9879\u76ee\u6210\u529f\u7684\u53ef\u80fd\u6027\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p><strong>1. \u4ec0\u4e48\u662f\u9879\u76ee\u7ba1\u7406\u4e2d\u7684ET\u548cLT\uff1f<\/strong><\/p>\n<p>\u9879\u76ee\u7ba1\u7406\u4e2d\u7684ET\uff08Early Start Time\uff09\u6307\u7684\u662f\u4efb\u52a1\u53ef\u4ee5\u5f00\u59cb\u7684\u6700\u65e9\u65f6\u95f4\uff0c\u800cLT\uff08Late Start Time\uff09\u5219\u662f\u4efb\u52a1\u53ef\u4ee5\u5f00\u59cb\u7684\u6700\u665a\u65f6\u95f4\u3002<\/p>\n<p><strong>2. \u5982\u4f55\u8ba1\u7b97\u9879\u76ee\u7ba1\u7406\u4e2d\u7684ET\u548cLT\uff1f<\/strong><\/p>\n<p>\u5728\u9879\u76ee\u7ba1\u7406\u4e2d\uff0c\u8ba1\u7b97ET\u548cLT\u901a\u5e38\u9700\u8981\u8fdb\u884c\u7f51\u7edc\u56fe\u5206\u6790\u6216\u5173\u952e\u8def\u5f84\u5206\u6790\u3002\u901a\u8fc7\u6784\u5efa\u9879\u76ee\u7684\u5173\u952e\u8def\u5f84\uff0c\u53ef\u4ee5\u786e\u5b9a\u6bcf\u4e2a\u4efb\u52a1\u7684ET\u548cLT\u3002<\/p>\n<p><strong>3. ET\u548cLT\u7684\u8ba1\u7b97\u5bf9\u9879\u76ee\u8fdb\u5ea6\u6709\u4ec0\u4e48\u5f71\u54cd\uff1f<\/strong><\/p>\n<p>\u8ba1\u7b97ET\u548cLT\u5bf9\u9879\u76ee\u8fdb\u5ea6\u5177\u6709\u91cd\u8981\u7684\u5f71\u54cd\u3002\u901a\u8fc7\u8ba1\u7b97ET\u548cLT\uff0c\u53ef\u4ee5\u786e\u5b9a\u9879\u76ee\u4e2d\u7684\u5173\u952e\u4efb\u52a1\u548c\u5173\u952e\u8def\u5f84\uff0c\u5e2e\u52a9\u9879\u76ee\u7ecf\u7406\u548c\u56e2\u961f\u786e\u5b9a\u4efb\u52a1\u7684\u4f18\u5148\u7ea7\uff0c\u786e\u4fdd\u9879\u76ee\u6309\u65f6\u5b8c\u6210\u3002\u540c\u65f6\uff0cET\u548cLT\u7684\u8ba1\u7b97\u4e5f\u53ef\u4ee5\u5e2e\u52a9\u9879\u76ee\u56e2\u961f\u9884\u6d4b\u548c\u7ba1\u7406\u98ce\u9669\uff0c\u53ca\u65f6\u8c03\u6574\u8d44\u6e90\u548c\u4efb\u52a1\u5206\u914d\uff0c\u4ee5\u4fdd\u8bc1\u9879\u76ee\u8fdb\u5ea6\u7684\u7a33\u5b9a\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u9879\u76ee\u7ba1\u7406\u4e2d\u7684ET\uff08Estimated Time, \u9884\u8ba1\u65f6\u95f4\uff09\u548cLT\uff08Lead Time, \u63d0\u524d\u671f\uff09\u662f\u4e24\u4e2a\u5173\u952e\u7684 [&hellip;]","protected":false},"author":3,"featured_media":518406,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/518405"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=518405"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/518405\/revisions"}],"predecessor-version":[{"id":518407,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/518405\/revisions\/518407"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/518406"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=518405"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=518405"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=518405"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}