{"id":140,"date":"2020-02-23T14:19:18","date_gmt":"2020-02-23T14:19:18","guid":{"rendered":"https:\/\/demo.candidthemes.com\/refined-magazine-pro\/?p=140"},"modified":"2024-04-24T10:12:14","modified_gmt":"2024-04-24T02:12:14","slug":"she-is-always-ready-to-take-the-risk","status":"publish","type":"post","link":"https:\/\/www.cidtaa.org.cn\/zh\/she-is-always-ready-to-take-the-risk\/","title":{"rendered":"\u6df1\u5ea6\u89e3\u6790\u5e03\u6797\u7ebf\u6307\u6807\uff1a\u6d1e\u6089\u5e02\u573a\u6ce2\u52a8\u7684\u5229\u5668"},"content":{"rendered":"<figure class=\"wp-block-image size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"577\" src=\"http:\/\/www.cidtaa.org.cn\/wp-content\/uploads\/2020\/02\/\u5c01\u97623\u4fee\u65392-1024x577.jpg\" alt=\"\" class=\"wp-image-443\" srcset=\"https:\/\/www.cidtaa.org.cn\/wp-content\/uploads\/2020\/02\/\u5c01\u97623\u4fee\u65392-1024x577.jpg 1024w, https:\/\/www.cidtaa.org.cn\/wp-content\/uploads\/2020\/02\/\u5c01\u97623\u4fee\u65392-600x338.jpg 600w, https:\/\/www.cidtaa.org.cn\/wp-content\/uploads\/2020\/02\/\u5c01\u97623\u4fee\u65392-300x169.jpg 300w, https:\/\/www.cidtaa.org.cn\/wp-content\/uploads\/2020\/02\/\u5c01\u97623\u4fee\u65392-768x433.jpg 768w, https:\/\/www.cidtaa.org.cn\/wp-content\/uploads\/2020\/02\/\u5c01\u97623\u4fee\u65392-1536x865.jpg 1536w, https:\/\/www.cidtaa.org.cn\/wp-content\/uploads\/2020\/02\/\u5c01\u97623\u4fee\u65392-2048x1154.jpg 2048w, https:\/\/www.cidtaa.org.cn\/wp-content\/uploads\/2020\/02\/\u5c01\u97623\u4fee\u65392-1170x659.jpg 1170w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u80a1\u5e02\u6295\u8d44\u4e2d\uff0c\u638c\u63e1\u6709\u6548\u7684\u6280\u672f\u5206\u6790\u5de5\u5177\u662f\u6210\u529f\u7684\u5173\u952e\u4e4b\u4e00\u3002\u5176\u4e2d\uff0c\u5e03\u6797\u7ebf\u6307\u6807\uff08Bollinger Bands\uff09\u65e0\u7591\u662f\u4e00\u79cd\u5907\u53d7\u9752\u7750\u7684\u5de5\u5177\uff0c\u88ab\u5e7f\u6cdb\u7528\u4e8e\u5206\u6790\u5e02\u573a\u7684\u6ce2\u52a8\u6027\u548c\u8d8b\u52bf\u3002\u5e03\u6797\u7ebf\u6307\u6807\u7531\u7ea6\u7ff0\u00b7\u5e03\u6797\u683c\uff08John Bollinger\uff09\u572820\u4e16\u7eaa80\u5e74\u4ee3\u521d\u63d0\u51fa\uff0c\u5b83\u7684\u72ec\u7279\u4e4b\u5904\u5728\u4e8e\u7ed3\u5408\u4e86\u4e2d\u8f68\u3001\u4e0a\u8f68\u548c\u4e0b\u8f68\uff0c\u5f62\u6210\u4e86\u4e00\u4e2a\u5305\u56f4\u4ef7\u683c\u7684\u901a\u9053\u3002\u672c\u6587\u5c06\u6df1\u5165\u89e3\u6790\u5e03\u6797\u7ebf\u6307\u6807\u7684\u539f\u7406\u3001\u8ba1\u7b97\u65b9\u6cd5\u4ee5\u53ca\u5b9e\u9645\u5e94\u7528\uff0c\u5e2e\u52a9\u6295\u8d44\u8005\u66f4\u597d\u5730\u5229\u7528\u8fd9\u4e00\u5de5\u5177\u8fdb\u884c\u51b3\u7b56\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u7b2c\u4e00\u90e8\u5206\uff1a\u5e03\u6797\u7ebf\u6307\u6807\u7684\u57fa\u672c\u539f\u7406<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5e03\u6797\u7ebf\u6307\u6807\u57fa\u4e8e\u7edf\u8ba1\u5b66\u539f\u7406\uff0c\u91c7\u7528\u4e86\u6807\u51c6\u5dee\u7684\u6982\u5ff5\u6765\u5ea6\u91cf\u4ef7\u683c\u7684\u6ce2\u52a8\u6027\u3002\u5b83\u5305\u62ec\u4e09\u6761\u8f68\u9053\u7ebf\uff0c\u5206\u522b\u662f\u4e2d\u8f68\u3001\u4e0a\u8f68\u548c\u4e0b\u8f68\u3002\u4e2d\u8f68\u901a\u5e38\u662f\u4e00\u4e2a\u7b80\u5355\u79fb\u52a8\u5e73\u5747\u7ebf\uff08SMA\uff09\uff0c\u800c\u4e0a\u4e0b\u8f68\u662f\u5728\u4e2d\u8f68\u7684\u57fa\u7840\u4e0a\u52a0\u51cf\u82e5\u5e72\u4e2a\u6807\u51c6\u5dee\u3002\u6807\u51c6\u5dee\u7684\u5927\u5c0f\u51b3\u5b9a\u4e86\u5e03\u6797\u7ebf\u7684\u5bbd\u7a84\uff0c\u5bbd\u7a84\u7684\u5e03\u6797\u7ebf\u4ee3\u8868\u7740\u5e02\u573a\u6ce2\u52a8\u7684\u5927\u5c0f\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5e03\u6797\u7ebf\u6307\u6807\u7684\u57fa\u672c\u539f\u7406\u53ef\u4ee5\u603b\u7ed3\u4e3a\u4ee5\u4e0b\u51e0\u70b9\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e2d\u8f68\u53cd\u6620\u4e86\u4ef7\u683c\u7684\u8d8b\u52bf\uff0c\u662f\u4e00\u4e2a\u53cd\u6620\u4e2d\u671f\u8d8b\u52bf\u7684\u7ebf\u3002<br>\u4e0a\u8f68\u548c\u4e0b\u8f68\u6784\u6210\u4e86\u4ef7\u683c\u7684\u6ce2\u52a8\u8303\u56f4\uff0c\u5b83\u4eec\u7684\u8ddd\u79bb\u53cd\u6620\u4e86\u5e02\u573a\u6ce2\u52a8\u6027\u7684\u5f3a\u5f31\u3002<br>\u5f53\u4ef7\u683c\u89e6\u53ca\u4e0a\u8f68\u65f6\uff0c\u5e02\u573a\u53ef\u80fd\u8d85\u4e70\uff0c\u4e0b\u8f68\u5219\u53ef\u80fd\u8868\u793a\u5e02\u573a\u8d85\u5356\u3002<br>\u5e03\u6797\u7ebf\u7684\u5bbd\u5ea6\u4e0e\u5e02\u573a\u6ce2\u52a8\u6027\u76f8\u5173\uff0c\u5bbd\u5e45\u8868\u793a\u5e02\u573a\u6ce2\u52a8\u5927\uff0c\u7a84\u5e45\u5219\u8868\u793a\u5e02\u573a\u76f8\u5bf9\u5e73\u9759\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><br><strong>\u7b2c\u4e8c\u90e8\u5206\uff1a\u5e03\u6797\u7ebf\u6307\u6807\u7684\u8ba1\u7b97\u65b9\u6cd5<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5e03\u6797\u7ebf\u6307\u6807\u7684\u8ba1\u7b97\u76f8\u5bf9\u7b80\u5355\uff0c\u4f46\u5374\u5305\u542b\u4e86\u5bf9\u4ef7\u683c\u6ce2\u52a8\u6027\u7684\u6709\u6548\u5ea6\u91cf\u3002\u4ee5\u4e0b\u662f\u5e03\u6797\u7ebf\u6307\u6807\u7684\u8ba1\u7b97\u6b65\u9aa4\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8ba1\u7b97\u4e2d\u8f68\uff08MB\uff0cMiddle Band\uff09\uff1a\u9009\u62e9\u4e00\u4e2a\u5408\u9002\u7684\u79fb\u52a8\u5e73\u5747\u7ebf\u5468\u671f\uff0c\u901a\u5e38\u662f20\u65e5\uff0c\u8ba1\u7b97\u8fc7\u53bb20\u65e5\u7684\u6536\u76d8\u4ef7\u5e73\u5747\u503c\uff0c\u5373\u4e3a\u4e2d\u8f68\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">MB = (\u6536\u76d8\u4ef71 + \u6536\u76d8\u4ef72 + \u2026 + \u6536\u76d8\u4ef720) \/ 20<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8ba1\u7b97\u6807\u51c6\u5dee\uff08STD\uff0cStandard Deviation\uff09\uff1a\u4f7f\u7528\u4e0e\u4e2d\u8f68\u76f8\u540c\u7684\u5468\u671f\uff0c\u8ba1\u7b97\u8fc7\u53bb20\u65e5\u7684\u4ef7\u683c\u6807\u51c6\u5dee\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">STD = \u6839\u53f7\u4e0b [(\uff08\u6536\u76d8\u4ef71 &#8211; MB\uff09^2 + \uff08\u6536\u76d8\u4ef72 &#8211; MB\uff09^2 + \u2026 + \uff08\u6536\u76d8\u4ef720 &#8211; MB\uff09^2) \/ 20]<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8ba1\u7b97\u4e0a\u8f68\u548c\u4e0b\u8f68\uff1a\u4e0a\u8f68\u7b49\u4e8e\u4e2d\u8f68\u52a0\u4e0a\u6807\u51c6\u5dee\u7684\u4e24\u500d\uff0c\u4e0b\u8f68\u7b49\u4e8e\u4e2d\u8f68\u51cf\u53bb\u6807\u51c6\u5dee\u7684\u4e24\u500d\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0a\u8f68 = MB + 2 * STD<br>\u4e0b\u8f68 = MB &#8211; 2 * STD<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ee5\u4e0a\u8ba1\u7b97\u7ed3\u679c\u5f62\u6210\u4e86\u5e03\u6797\u7ebf\u6307\u6807\u7684\u4e09\u6761\u8f68\u9053\u7ebf\uff0c\u4e3a\u540e\u7eed\u7684\u5e02\u573a\u5206\u6790\u63d0\u4f9b\u4e86\u91cd\u8981\u7684\u6570\u636e\u57fa\u7840\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u7b2c\u4e09\u90e8\u5206\uff1a\u5e03\u6797\u7ebf\u6307\u6807\u7684\u5b9e\u9645\u5e94\u7528<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8d85\u4e70\u8d85\u5356\u4fe1\u53f7\u7684\u8bc6\u522b\uff1a \u5f53\u4ef7\u683c\u89e6\u53ca\u4e0a\u8f68\u65f6\uff0c\u53ef\u80fd\u8868\u793a\u5e02\u573a\u8fc7\u70ed\uff0c\u6295\u8d44\u8005\u60c5\u7eea\u9ad8\u6da8\uff0c\u6b64\u65f6\u53ef\u80fd\u53d1\u751f\u56de\u8c03\u6216\u8c03\u6574\uff1b\u53cd\u4e4b\uff0c\u5f53\u4ef7\u683c\u89e6\u53ca\u4e0b\u8f68\u65f6\uff0c\u5e02\u573a\u53ef\u80fd\u8fc7\u4e8e\u60b2\u89c2\uff0c\u53ef\u80fd\u8fce\u6765\u53cd\u5f39\u7684\u673a\u4f1a\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8d8b\u52bf\u7684\u786e\u8ba4\u4e0e\u53cd\u8f6c\u4fe1\u53f7\uff1a \u5e03\u6797\u7ebf\u6307\u6807\u7684\u4e2d\u8f68\u53ef\u4ee5\u4f5c\u4e3a\u8d8b\u52bf\u7684\u53c2\u8003\u7ebf\uff0c\u5982\u679c\u4ef7\u683c\u4f4d\u4e8e\u4e2d\u8f68\u4e0a\u65b9\uff0c\u8bf4\u660e\u5e02\u573a\u8d8b\u52bf\u53ef\u80fd\u4e3a\u4e0a\u6da8\uff1b\u53cd\u4e4b\uff0c\u5982\u679c\u4ef7\u683c\u5728\u4e2d\u8f68\u4e0b\u65b9\uff0c\u8d8b\u52bf\u53ef\u80fd\u4e3a\u4e0b\u8dcc\u3002\u540c\u65f6\uff0c\u5f53\u4ef7\u683c\u7a81\u7834\u4e0a\u8f68\u6216\u4e0b\u8f68\u65f6\uff0c\u53ef\u80fd\u53d1\u751f\u8d8b\u52bf\u53cd\u8f6c\u7684\u4fe1\u53f7\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6ce2\u52a8\u6027\u5206\u6790\uff1a \u5e03\u6797\u7ebf\u6307\u6807\u7684\u5bbd\u5ea6\u53cd\u6620\u4e86\u5e02\u573a\u6ce2\u52a8\u6027\u7684\u5f3a\u5ea6\uff0c\u6295\u8d44\u8005\u53ef\u4ee5\u901a\u8fc7\u89c2\u5bdf\u5e03\u6797\u7ebf\u7684\u5bbd\u7a84\u6765\u5224\u65ad\u5e02\u573a\u5f53\u524d\u7684\u6ce2\u52a8\u72b6\u6001\u3002\u5bbd\u5e45\u7684\u5e03\u6797\u7ebf\u53ef\u80fd\u4f34\u968f\u7740\u5267\u70c8\u7684\u4ef7\u683c\u6ce2\u52a8\uff0c\u800c\u7a84\u5e45\u7684\u5e03\u6797\u7ebf\u5219\u53ef\u80fd\u4f34\u968f\u7740\u76f8\u5bf9\u5e73\u7a33\u7684\u5e02\u573a\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ea4\u6613\u7b56\u7565\u7684\u5236\u5b9a\uff1a \u57fa\u4e8e\u5e03\u6797\u7ebf\u6307\u6807\u7684\u4fe1\u53f7\uff0c\u6295\u8d44\u8005\u53ef\u4ee5\u5236\u5b9a\u76f8\u5e94\u7684\u4ea4\u6613\u7b56\u7565\u3002\u4f8b\u5982\uff0c\u5f53\u4ef7\u683c\u89e6\u53ca\u4e0a\u8f68\u65f6\u5356\u51fa\uff0c\u89e6\u53ca\u4e0b\u8f68\u65f6\u4e70\u5165\uff0c\u4ece\u800c\u5229\u7528\u5e02\u573a\u7684\u6ce2\u52a8\u8fdb\u884c\u4ea4\u6613\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7ed3\u8bed\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5e03\u6797\u7ebf\u6307\u6807\u4f5c\u4e3a\u4e00\u79cd\u6709\u6548\u7684\u6280\u672f\u5206\u6790\u5de5\u5177\uff0c\u4e3a\u6295\u8d44\u8005\u63d0\u4f9b\u4e86\u8bc6\u522b\u5e02\u573a\u8d8b\u52bf\u3001\u8d85\u4e70\u8d85\u5356\u3001\u6ce2\u52a8\u6027\u7b49\u91cd\u8981\u4fe1\u606f\u7684\u9014\u5f84\u3002\u7136\u800c\uff0c\u6295\u8d44\u51b3\u7b56\u9700\u8981\u7efc\u5408\u8003\u8651\u591a\u79cd\u56e0\u7d20\uff0c\u5e03\u6797\u7ebf\u6307\u6807\u4ec5\u4e3a\u5176\u4e2d\u4e4b\u4e00\u3002\u6295\u8d44\u8005\u5728\u4f7f\u7528\u5e03\u6797\u7ebf\u6307\u6807\u65f6\u5e94\u7ed3\u5408\u5176\u4ed6\u6280\u672f\u5206\u6790\u5de5\u5177\uff0c\u5e76\u5bc6\u5207\u5173\u6ce8\u5e02\u573a\u7684\u57fa\u672c\u9762\u56e0\u7d20\uff0c\u4ee5\u63d0\u9ad8\u51b3\u7b56\u7684\u51c6\u786e\u6027\u548c\u53ef\u9760\u6027\u3002\u901a\u8fc7\u6df1\u5165\u7406\u89e3\u548c\u7075\u6d3b\u8fd0\u7528\u5e03\u6797\u7ebf\u6307\u6807\uff0c\u6295\u8d44\u8005\u5c06\u66f4\u597d\u5730\u5e94\u5bf9\u5e02\u573a\u7684\u6ce2\u52a8\uff0c\u5b9e\u73b0\u66f4\u7a33\u5065\u7684\u6295\u8d44\u7b56\u7565\u3002<\/p>","protected":false},"excerpt":{"rendered":"<p>\u5728\u80a1\u5e02\u6295\u8d44\u4e2d\uff0c\u638c\u63e1\u6709\u6548\u7684\u6280\u672f\u5206\u6790\u5de5\u5177\u662f\u6210\u529f\u7684\u5173\u952e\u4e4b\u4e00\u3002\u5176\u4e2d\uff0c\u5e03\u6797\u7ebf\u6307\u6807\uff08Bollinger Bands\uff09\u65e0\u7591\u662f\u4e00\u79cd\u5907\u53d7\u9752\u7750\u7684\u5de5\u5177\uff0c\u88ab\u5e7f\u6cdb\u7528\u4e8e\u5206\u6790\u5e02\u573a\u7684\u6ce2\u52a8\u6027\u548c\u8d8b\u52bf\u3002\u5e03\u6797\u7ebf\u6307\u6807\u7531\u7ea6\u7ff0\u00b7\u5e03\u6797\u683c\uff08John Bollinger\uff09\u572820\u4e16\u7eaa80\u5e74\u4ee3\u521d\u63d0\u51fa\uff0c\u5b83\u7684\u72ec\u7279\u4e4b\u5904\u5728\u4e8e\u7ed3\u5408\u4e86\u4e2d\u8f68\u3001\u4e0a\u8f68\u548c\u4e0b\u8f68\uff0c\u5f62\u6210\u4e86\u4e00\u4e2a\u5305\u56f4\u4ef7\u683c\u7684\u901a\u9053\u3002\u672c\u6587\u5c06\u6df1\u5165\u89e3\u6790\u5e03\u6797\u7ebf\u6307\u6807\u7684\u539f\u7406\u3001\u8ba1\u7b97\u65b9\u6cd5\u4ee5\u53ca\u5b9e\u9645\u5e94\u7528\uff0c\u5e2e\u52a9\u6295\u8d44\u8005\u66f4\u597d\u5730\u5229\u7528\u8fd9\u4e00\u5de5\u5177\u8fdb\u884c\u51b3\u7b56\u3002 \u7b2c\u4e00\u90e8\u5206\uff1a\u5e03\u6797\u7ebf\u6307\u6807\u7684\u57fa\u672c\u539f\u7406 \u5e03\u6797\u7ebf\u6307\u6807\u57fa\u4e8e\u7edf\u8ba1\u5b66\u539f\u7406\uff0c\u91c7\u7528\u4e86\u6807\u51c6\u5dee\u7684\u6982\u5ff5\u6765\u5ea6\u91cf\u4ef7\u683c\u7684\u6ce2\u52a8\u6027\u3002\u5b83\u5305\u62ec\u4e09\u6761\u8f68\u9053\u7ebf\uff0c\u5206\u522b\u662f\u4e2d\u8f68\u3001\u4e0a\u8f68\u548c\u4e0b\u8f68\u3002\u4e2d\u8f68\u901a\u5e38\u662f\u4e00\u4e2a\u7b80\u5355\u79fb\u52a8\u5e73\u5747\u7ebf\uff08SMA\uff09\uff0c\u800c\u4e0a\u4e0b\u8f68\u662f\u5728\u4e2d\u8f68\u7684\u57fa\u7840\u4e0a\u52a0\u51cf\u82e5\u5e72\u4e2a\u6807\u51c6\u5dee\u3002\u6807\u51c6\u5dee\u7684\u5927\u5c0f\u51b3\u5b9a\u4e86\u5e03\u6797\u7ebf\u7684\u5bbd\u7a84\uff0c\u5bbd\u7a84\u7684\u5e03\u6797\u7ebf\u4ee3\u8868\u7740\u5e02\u573a\u6ce2\u52a8\u7684\u5927\u5c0f\u3002 \u5e03\u6797\u7ebf\u6307\u6807\u7684\u57fa\u672c\u539f\u7406\u53ef\u4ee5\u603b\u7ed3\u4e3a\u4ee5\u4e0b\u51e0\u70b9\uff1a \u4e2d\u8f68\u53cd\u6620\u4e86\u4ef7\u683c\u7684\u8d8b\u52bf\uff0c\u662f\u4e00\u4e2a\u53cd\u6620\u4e2d\u671f\u8d8b\u52bf\u7684\u7ebf\u3002\u4e0a\u8f68\u548c\u4e0b\u8f68\u6784\u6210\u4e86\u4ef7\u683c\u7684\u6ce2\u52a8\u8303\u56f4\uff0c\u5b83\u4eec\u7684\u8ddd\u79bb\u53cd\u6620\u4e86\u5e02\u573a\u6ce2\u52a8\u6027\u7684\u5f3a\u5f31\u3002\u5f53\u4ef7\u683c\u89e6\u53ca\u4e0a\u8f68\u65f6\uff0c\u5e02\u573a\u53ef\u80fd\u8d85\u4e70\uff0c\u4e0b\u8f68\u5219\u53ef\u80fd\u8868\u793a\u5e02\u573a\u8d85\u5356\u3002\u5e03\u6797\u7ebf\u7684\u5bbd\u5ea6\u4e0e\u5e02\u573a\u6ce2\u52a8\u6027\u76f8\u5173\uff0c\u5bbd\u5e45\u8868\u793a\u5e02\u573a\u6ce2\u52a8\u5927\uff0c\u7a84\u5e45\u5219\u8868\u793a\u5e02\u573a\u76f8\u5bf9\u5e73\u9759\u3002 \u7b2c\u4e8c\u90e8\u5206\uff1a\u5e03\u6797\u7ebf\u6307\u6807\u7684\u8ba1\u7b97\u65b9\u6cd5 \u5e03\u6797\u7ebf\u6307\u6807\u7684\u8ba1\u7b97\u76f8\u5bf9\u7b80\u5355\uff0c\u4f46\u5374\u5305\u542b\u4e86\u5bf9\u4ef7\u683c\u6ce2\u52a8\u6027\u7684\u6709\u6548\u5ea6\u91cf\u3002\u4ee5\u4e0b\u662f\u5e03\u6797\u7ebf\u6307\u6807\u7684\u8ba1\u7b97\u6b65\u9aa4\uff1a \u8ba1\u7b97\u4e2d\u8f68\uff08MB\uff0cMiddle Band\uff09\uff1a\u9009\u62e9\u4e00\u4e2a\u5408\u9002\u7684\u79fb\u52a8\u5e73\u5747\u7ebf\u5468\u671f\uff0c\u901a\u5e38\u662f20\u65e5\uff0c\u8ba1\u7b97\u8fc7\u53bb20\u65e5\u7684\u6536\u76d8\u4ef7\u5e73\u5747\u503c\uff0c\u5373\u4e3a\u4e2d\u8f68\u3002 MB = (\u6536\u76d8\u4ef71 + \u6536\u76d8\u4ef72 + \u2026 + \u6536\u76d8\u4ef720) \/ 20 \u8ba1\u7b97\u6807\u51c6\u5dee\uff08STD\uff0cStandard Deviation\uff09\uff1a\u4f7f\u7528\u4e0e\u4e2d\u8f68\u76f8\u540c\u7684\u5468\u671f\uff0c\u8ba1\u7b97\u8fc7\u53bb20\u65e5\u7684\u4ef7\u683c\u6807\u51c6\u5dee\u3002 STD = \u6839\u53f7\u4e0b [(\uff08\u6536\u76d8\u4ef71 &#8211; MB\uff09^2 + \uff08\u6536\u76d8\u4ef72 &#8211; MB\uff09^2 + \u2026 + \uff08\u6536\u76d8\u4ef720 &#8211; MB\uff09^2) \/ 20] \u8ba1\u7b97\u4e0a\u8f68\u548c\u4e0b\u8f68\uff1a\u4e0a\u8f68\u7b49\u4e8e\u4e2d\u8f68\u52a0\u4e0a\u6807\u51c6\u5dee\u7684\u4e24\u500d\uff0c\u4e0b\u8f68\u7b49\u4e8e\u4e2d\u8f68\u51cf\u53bb\u6807\u51c6\u5dee\u7684\u4e24\u500d\u3002 \u4e0a\u8f68 = MB + 2 * STD\u4e0b\u8f68 &hellip; 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