{"id":7347,"date":"2022-10-23T19:26:57","date_gmt":"2022-10-23T11:26:57","guid":{"rendered":"http:\/\/www.yptk.cn\/?p=7347"},"modified":"2022-10-23T19:26:57","modified_gmt":"2022-10-23T11:26:57","slug":"18%e7%81%b0","status":"publish","type":"post","link":"http:\/\/yptk.cn\/index.php\/2022\/10\/23\/18%e7%81%b0\/","title":{"rendered":"18%\u7070"},"content":{"rendered":"\n

\u56e0\u4e3a\u4eba\u5bf9\u4e16\u754c\u611f\u77e5\u4e0d\u662f\u7ebf\u6027\u7684\u800c\u662f\u5bf9\u6570\u7684\u300218%\u53cd\u5c04\u7387\u7684\u7070\u8272\uff0c\u5728\u4eba\u773c\u91cc\u6b63\u597d\u5904\u4e8e\u9ed1\u767d\u6e10\u53d8\u6b63\u4e2d\u95f4\u3002<\/p>\n\n\n\n

—————-<\/p>\n\n\n\n

\u56e0\u4e3a\u4eba\u5bf9\u4e16\u754c\u611f\u77e5\u4e0d\u662f\u7ebf\u6027\u7684\u800c\u662f\u5bf9\u6570\u7684\u3002\u8fd9\u91cc\u4e0d\u662f\u5355\u6307\u5149\u901a\u91cf\uff0c\u8fd8\u5305\u62ec\u5bf9\u91cd\u91cf\u3001\u6570\u91cf\u3001\u97f3\u91cf\u3001\u65f6\u95f4\u7b49\u3002\u8981\u8fbe\u5230\u51c6\u786e\u7684\u66dd\u5149\u7684\u671f\u671b\u662f\uff1a\u8ba9\u66dd\u5149\u6b63\u597d\u5904\u4e8e\u201c\u67d0\u79cd\u201d\u5e73\u8861\u4eae\u90e8\u548c\u6697\u90e8\u7684\u6b63\u4e2d\u95f4\u5e76\u4e14\u5c3d\u53ef\u80fd\u591a\u7684\u8bb0\u5f55\u7ec6\u8282\u3002\u56e0\u4e3a50%\u53cd\u5c04\u7387\u7684\u7070\u8272\u5728\u7070\u9636\u6e10\u53d8\u4e2d\u51e0\u4e4e\u504f\u5411\u767d\u8272\u4e86\uff0c\u5b8c\u5168\u4e0d\u5728\u4e2d\u95f4\uff0c\u4f1a\u5bfc\u81f4\u6697\u90e8\u7ec6\u8282\u4e0d\u591f\u3002\u800c18%\u53cd\u5c04\u7387\u7684\u7070\u8272\uff0c\u5728\u4eba\u773c\u91cc\u6b63\u597d\u5904\u4e8e\u9ed1\u767d\u6e10\u53d8\u6b63\u4e2d\u95f4\u3002<\/p>\n\n\n\n

\u4e3a\u4ec0\u4e48\u662f18%<\/p>\n\n\n\n

\u8fd9\u662f\u54c8\u4f5b\u5fc3\u7406\u5b66\u5bb6 Stevens \u901a\u8fc7\u5927\u91cf\u7684\u8d85\u9608\u9650\u611f\u89c9\u5b9e\u9a8c\u603b\u7ed3\u51fa\u6765\u7684\u4e00\u5957\u89c4\u5f8b\uff1b\u77e5\u89c9\u7684\u5fc3\u7406\u5f3a\u5ea6\u03c8\u4e3a\u7269\u7406\u5f3a\u5ea6\u03c6\u7684\u6307\u6570\u51fd\u6570\u3002\u6b64\u65f6\u03c8\u4e0e\u03c6\u7684\u57fa\u672c\u5173\u7cfb\u4e3a \u03c8 = \u03c6 ^ r\u3002\u6839\u636e\u5b9e\u9a8c\u6570\u636e\uff0c\u4e0d\u540c\u7684\u611f\u5b98\u4e4b\u95f4\u6307\u6570r\u53d6\u503c\u4e0d\u540c\uff0c\u5bf9\u4eba\u8f83\u6709\u76ca\u7684\u611f\u89c9\uff08\u5982\u5149\u7ebf\u7684\u5f3a\u5ea6\uff09\u5176r \uff1c 1\uff1b\u800c\u5bf9\u4eba\u6bd4\u8f83\u6709\u5bb3\u7684\u611f\u89c9\uff0c\u5982\u7535\u51fb\uff0c\u5219r \uff1e 1\u3002<\/p>\n\n\n\n

\"\"
P101, \u300a\u897f\u5c14\u683c\u5fb7\u5fc3\u7406\u5b66\u5bfc\u8bba\u300b<\/figcaption><\/figure>\n\n\n\n

\u5728\u4eba\u773c\u5bf9\u5149\u7ebf\u7684\u611f\u77e5\u66f2\u7ebf\u4e2d\uff0cr= 0.42\u662f\u4e00\u4e2a\u8f83\u4e3a\u88ab\u5e7f\u6cdb\u63a5\u53d7\u7684\u53d6\u503c\uff0c\u7ed8\u5236\u51fa\u6765\u5927\u7ea6\u5c31\u662f\u8fd9\u6837\u7684\uff1a<\/p><\/blockquote>\n\n\n\n

\"\"
\u03c8 = \u03c6^0.42<\/figcaption><\/figure>\n\n\n\n

\u53ef\u4ee5\u770b\u51fa\uff08\u6c42\u5bfc\u4e5f\u884c\uff09\uff0c\u76f8\u6bd4\u9ad8\u5149\u90e8\u5206\uff0c\u6697\u5149\u90e8\u5206\u7684\u659c\u7387\u8981\u5927\u5f97\u591a\uff0c\u5373\uff0c\u4eba\u773c\u5bf9\u6697\u90e8\u7684\u7269\u7406\u5f3a\u5ea6\u53d8\u5316\u66f4\u52a0\u654f\u611f\uff0c\u76f8\u540c\u5e45\u5ea6\u7684\u7269\u7406\u5f3a\u5ea6\u53d8\u5316\u5728\u9ad8\u4eae\u65f6\u5f15\u8d77\u7684\u5fc3\u7406\u77e5\u89c9\u53d8\u5316\u8981\u66f4\u5c0f\u3002<\/p>\n\n\n\n

18%\u7070\u6700\u65e9\u8c8c\u4f3c\u6765\u81ea\u4e8e\u67ef\u8fbe\u7070\u3002<\/p>\n\n\n\n

\u5982\u679cr\u91c7\u7528\u4e0a\u97620.42\u90a3\u4e48\u4e2d\u70700.5^1\/0.42=0.19198262038018607058007453638023<\/p>\n\n\n\n

\u7ea6\u7b49\u4e8e19.2%\u5df2\u7ecf\u5f88\u63a5\u8fd1\u4e86<\/p>\n\n\n\n

\u5982\u679c\u8981\u5f97\u523018%\u67ef\u8fbe\u7070\u7684r\u503c\u4e3a1\/log(0.5)(0.18)=1\/2.4739311883324123328331609710831<\/p>\n\n\n\n

\u67ef\u8fbe\u63a5\u53d7\u7684r\u503c\u4e3a0.40421496148163437183193941506413<\/p>\n\n\n\n

0.5^2.4739311883324123328331609710831=18%<\/p>\n\n\n\n

\u4e0a\u9762\u5c31\u662f18%\u7684\u6765\u5386<\/p>\n\n\n\n

\u53c2\u8003\u94fe\u63a5\uff1ahttps:\/\/www.zhihu.com\/question\/19865979?utm_id=0<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

\u56e0\u4e3a\u4eba\u5bf9\u4e16\u754c\u611f\u77e5\u4e0d\u662f\u7ebf\u6027\u7684\u800c\u662f\u5bf9\u6570\u7684\u300218%\u53cd\u5c04\u7387\u7684\u7070\u8272\uff0c\u5728\u4eba\u773c\u91cc\u6b63\u597d\u5904\u4e8e\u9ed1\u767d\u6e10\u53d8\u6b63\u4e2d\u95f4\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_crdt_document":"","footnotes":""},"categories":[9],"tags":[],"class_list":["post-7347","post","type-post","status-publish","format-standard","hentry","category-camera"],"_links":{"self":[{"href":"http:\/\/yptk.cn\/index.php\/wp-json\/wp\/v2\/posts\/7347","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/yptk.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/yptk.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/yptk.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/yptk.cn\/index.php\/wp-json\/wp\/v2\/comments?post=7347"}],"version-history":[{"count":0,"href":"http:\/\/yptk.cn\/index.php\/wp-json\/wp\/v2\/posts\/7347\/revisions"}],"wp:attachment":[{"href":"http:\/\/yptk.cn\/index.php\/wp-json\/wp\/v2\/media?parent=7347"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/yptk.cn\/index.php\/wp-json\/wp\/v2\/categories?post=7347"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/yptk.cn\/index.php\/wp-json\/wp\/v2\/tags?post=7347"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}