{"id":1730,"date":"2015-08-17T19:57:59","date_gmt":"2015-08-17T11:57:59","guid":{"rendered":"http:\/\/www.jdcui.com\/?p=1730"},"modified":"2026-02-15T20:04:07","modified_gmt":"2026-02-15T12:04:07","slug":"%e8%bd%af%e4%bb%b6mander-confined-strength-ratio-calculatormander%e6%b7%b7%e5%87%9d%e5%9c%9f%e6%9c%ac%e6%9e%84%e7%ba%a6%e6%9d%9f%e5%bc%ba%e5%8c%96%e7%b3%bb%e6%95%b0","status":"publish","type":"post","link":"http:\/\/www.jdcui.com\/?p=1730","title":{"rendered":"[\u7a0b\u5e8f] MCSR: Mander Confined Strength Ratio Calculator [Mander\u6df7\u51dd\u571f\u672c\u6784\u7ea6\u675f\u5f3a\u5316\u7cfb\u6570]"},"content":{"rendered":"<ul style=\"list-style-type: square;\">\n<li><strong>\u8f6f\u4ef6\u56fe\u6807 (<span style=\"color: #0000ff;\">Program ICON<\/span>)<\/strong><\/li>\n<\/ul>\n<p style=\"padding-left: 30px;\"><a href=\"http:\/\/www.jdcui.com\/?p=1730\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1728 alignnone\" title=\"Mande Confined Strength Ratio Calculator \u4e00\u4e2a\u7528\u4e8e\u8ba1\u7b97Mander\u7ea6\u675f\u6df7\u51dd\u571f\u6a21\u578b\u5f3a\u5ea6\u63d0\u9ad8\u7cfb\u6570\u7684\u8f6f\u4ef6\" src=\"http:\/\/www.jdcui.com\/wp-content\/uploads\/2014\/10\/ManderConfinedStrengthRatioCalculator.png\" alt=\"ManderConfinedStrengthRatioCalculator\" width=\"78\" height=\"78\" \/><\/a><\/p>\n<ul style=\"list-style-type: square;\">\n<li><strong>\u5f15\u8a00\uff08<span style=\"color: #0000ff;\">Introduction<\/span>\uff09<\/strong><\/li>\n<\/ul>\n<p>\u4e0a\u4e00\u7bc7\u535a\u6587<a href=\"http:\/\/www.jdcui.com\/?p=1697\" target=\"_blank\" rel=\"noopener noreferrer\">\u300a<strong>Mander Confined Concrete Model \u8d44\u6599\u6574\u7406<\/strong>\u300b<\/a>\u603b\u7ed3\u4e86<strong>Mander\u6a21\u578b<\/strong>\u53c2\u6570\u7684\u8ba1\u7b97\u65b9\u6cd5\uff0c\u5176\u4e2d\u8be5\u6a21\u578b\u5341\u5206\u5173\u952e\u7684\u4e00\u4e2a\u53c2\u6570\u4e3a<strong>\u7ea6\u675f\u6df7\u51dd\u571f<\/strong>\u7684\u5cf0\u503c\u5f3a\u5ea6<strong><em>f<\/em>cc&#8217;<\/strong>\u3002\u5173\u4e8e<strong><em>f<\/em>cc&#8217;<\/strong>\u7684\u786e\u5b9a\uff0cMander\u6a21\u578b\u539f\u6587\uff08<strong>Ref. 1<\/strong>\uff09\u7ed9\u51fa\u7684\u65b9\u6cd5\u4e3a\uff1a\u9996\u5148\u786e\u5b9a\u4e24\u4e2a\u65b9\u5411\u7684\u7ea6\u675f\u7cfb\u6570\uff0c\u7136\u540e\u901a\u8fc7\u67e5\u56fe\u5f97\u5230\u7ea6\u675f\u5f3a\u5ea6\u7cfb\u6570\uff08<span style=\"color: #0000ff;\">Confined Strength Ratio<\/span>\uff09\uff0c\u8fdb\u800c\u5f97\u5230<strong><em>f<\/em>cc&#8217;<\/strong>\uff08\u535a\u6587<a href=\"http:\/\/www.jdcui.com\/?p=952\" target=\"_blank\" rel=\"noopener noreferrer\">\u300a<strong>Mander Confined Concrete Model &#8211; Confined Strength Ratio [Mander\u6df7\u51dd\u571f\u672c\u6784\u7ea6\u675f\u5f3a\u5316\u7cfb\u6570]<\/strong><\/a>\u300b\u4e5f\u63d0\u5230\uff09\uff0c\u4e0d\u65b9\u4fbf\u4f7f\u7528\u3002<\/p>\n<p>\u539f\u6587\u7ed9\u51fa\u7684\u7ea6\u675f\u5f3a\u5ea6\u7cfb\u6570\uff08<span style=\"color: #0000ff;\"><strong>Confined Strength Ratio &#8211; <em>f<\/em>cc&#8217;\/<em>f<\/em>co&#8217;<\/strong><\/span>\uff09\u56fe\uff1a<\/p>\n<p style=\"padding-left: 30px;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-986 size-full\" src=\"http:\/\/www.jdcui.com\/wp-content\/uploads\/2015\/06\/Confined-Strength-Ratio-Mander-e1439829107690.png\" alt=\"Confined Strength Ratio - Mander\" width=\"550\" height=\"406\" \/><\/p>\n<p>\u4e3a\u6b64\uff0c\u7f16\u5236\u5c0f\u7a0b\u5e8f\u8ba1\u7b97Mander\u6a21\u578b\u7684\u7ea6\u675f\u5f3a\u5ea6\u7cfb\u6570\uff0c\u7a0b\u5e8f\u5982\u4e0b\u56fe\u6240\u793a\u3002<\/p>\n<p style=\"padding-left: 30px;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-1732\" src=\"http:\/\/www.jdcui.com\/wp-content\/uploads\/2015\/08\/ManderConfinedStrengthRatioCalculator.png\" alt=\"ManderConfinedStrengthRatioCalculator\" width=\"405\" height=\"426\" \/><\/p>\n<ul style=\"list-style-type: square;\">\n<li><strong>\u7a0b\u5e8f\u529f\u80fd\uff08<span style=\"color: #0000ff;\">Program Features<\/span>\uff09<\/strong>\uff1a<\/li>\n<\/ul>\n<p>\u7a0b\u5e8f\u901a\u8fc7\u8f93\u5165\u4e24\u4e2a\u65b9\u5411\u7684\u6709\u6548\u7ea6\u675f\u7cfb\u6570\uff0c\u8ba1\u7b97Mander\u6df7\u51dd\u571f\u6a21\u578b\u7684\u7ea6\u675f\u5f3a\u5ea6\u7cfb\u6570\uff0c\u7701\u53bb\u67e5\u56fe\u7684\u8fc7\u7a0b\uff0c\u65b9\u4fbf\u5e73\u65f6\u505a\u6570\u503c\u6a21\u62df\u3002<\/p>\n<p><span style=\"color: #0000ff;\">This program is for calculation of\u00a0the\u00a0Confined Strength Ratio of Mander Confined Concrete Model proposed by Mander \u00a0in 1988.\u00a0<\/span><\/p>\n<ul style=\"list-style-type: square;\">\n<li><strong>\u5b9e\u4f8b\uff08<span style=\"color: #0000ff;\">Examples<\/span>\uff09\uff1a<\/strong><\/li>\n<\/ul>\n<p>\uff081\uff09\u67f1\u5b50\u975e\u7ea6\u675f\u6df7\u51dd\u571f\u5f3a\u5ea6<strong><em>f<\/em>co&#8217; = 30Mpa<\/strong>\uff0c\u4e24\u4e2a\u65b9\u5411\u7684\u7ea6\u675f\u5e94\u529b\u4e3a<strong><em>flx&#8217;\u00a0<\/em>= 2.7Mpa<\/strong>\uff0c<strong><em>fl<\/em>y&#8217; = 5.1Mpa<\/strong>\uff0c\u6c42\u7ea6\u675f\u6df7\u51dd\u571f\u7684\u5cf0\u503c\u5f3a\u5ea6<strong><em>f<\/em>cc&#8217;<\/strong>\u3002<span style=\"color: #0000ff;\">\uff08Consider a column with an unconfined strength of <strong><em>f<\/em>co&#8217;=30Mpa\u00a0<\/strong>and confinning stresses in two direction are\u00a0<strong><em>flx&#8217;<\/em>= 2.7Mpa<\/strong>\u00a0and\u00a0<strong><em>fl<\/em>y&#8217; = 5.1Mpa\u00a0<\/strong>respectively\uff0ccalculate the compressive strength \u00a0<strong><em>f<\/em>cc&#8217; <\/strong>of the confined concrete\uff09<\/span><\/p>\n<p style=\"padding-left: 20px;\"><strong>\u7ea6\u675f\u7cfb\u6570\u8ba1\u7b97(<span style=\"color: #0000ff;\"> Confinning stresse ratio<\/span> )\uff1a<\/strong><\/p>\n<p style=\"padding-left: 20px;\">\u00a0<strong><em>flx&#8217;<\/em>\/<em>f<\/em>co&#8217; = 2.7\/30 = 0.09;<\/strong><\/p>\n<p style=\"padding-left: 20px;\">\u00a0<strong><em>fly&#8217;<\/em>\/<em>f<\/em>co&#8217; = 5.1\/30 = 0.17;<\/strong><\/p>\n<p style=\"padding-left: 20px;\"><strong>\u8f6f\u4ef6\u8ba1\u7b97\u8fc7\u7a0b\uff08<span style=\"color: #0000ff;\">Get Confined Strength Ratio\u00a0by Software<\/span>\uff09\uff1a<\/strong><\/p>\n<p style=\"padding-left: 20px;\">\u8f93\u5165\u4e24\u4e2a\u65b9\u5411\u7684\u7ea6\u675f\u5e94\u529b\u7cfb\u6570\uff0c\u70b9\u51fb<strong>\u201cCalculate\u201d<\/strong>\u6309\u94ae\u3002<span style=\"color: #0000ff;\">(Input the\u00a0confinning stresse ratio in two direction and press the &#8216;<strong>Calculate<\/strong>&#8216; button.<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-1736\" src=\"http:\/\/www.jdcui.com\/wp-content\/uploads\/2015\/08\/ManderConfinedStrengthRatioCalculator-Example1.png\" alt=\"ManderConfinedStrengthRatioCalculator-Example1\" width=\"405\" height=\"426\" \/><\/p>\n<p style=\"padding-left: 20px;\">\u7ea6\u675f\u6df7\u51dd\u571f\u5f3a\u5ea6\u7cfb\u6570\uff08<span style=\"color: #0000ff;\">Confined Strength Ratio<\/span>\uff09\uff1a<\/p>\n<p style=\"padding-left: 20px;\">\u00a0<em>fcc<strong>&#8216;<\/strong><\/em>\/<em>f<\/em>co&#8217; = 1.6515760<\/p>\n<p style=\"padding-left: 20px;\">\u7ea6\u675f\u6df7\u51dd\u571f\u5f3a\u5ea6\uff08<span style=\"color: #0000ff;\">compressive strength \u00a0<strong><em>f<\/em>cc&#8217; <\/strong><\/span>\uff09:<\/p>\n<p style=\"padding-left: 20px;\"><em>f<\/em>cc<strong>&#8216;\u00a0<\/strong>= 1.651576\u00a0\u00d7\u00a030 = 49.55 Mpa<\/p>\n<p style=\"padding-left: 20px;\"><strong>\u8bfb\u56fe\uff08<span style=\"color: #0000ff;\">Get Confined Strength Ratio from\u00a0Figure<\/span>\uff09\uff1a<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-1737\" src=\"http:\/\/www.jdcui.com\/wp-content\/uploads\/2015\/08\/mander\u5f3a\u5ea6\u63d0\u9ad8\u7cfb\u6570-Example1.png\" alt=\"mander\u5f3a\u5ea6\u63d0\u9ad8\u7cfb\u6570-Example1\" width=\"539\" height=\"404\" \/><\/p>\n<p>\uff082\uff09\u67f1\u5b50\u975e\u7ea6\u675f\u6df7\u51dd\u571f\u5f3a\u5ea6<strong><em>f<\/em>co&#8217; = 30Mpa<\/strong>\uff0c\u4e24\u4e2a\u65b9\u5411\u7684\u7ea6\u675f\u5e94\u529b\u4e3a<strong><em>flx<\/em>&#8216; = 3.0Mpa<\/strong>\uff0c<strong><em>fl<\/em>y&#8217; = 8.4Mpa<\/strong>\uff0c\u6c42\u7ea6\u675f\u6df7\u51dd\u571f\u7684\u5cf0\u503c\u5f3a\u5ea6<strong><em>f<\/em>cc&#8217;<\/strong>\u3002<span style=\"color: #0000ff;\">\uff08Consider a column with an unconfined strength of <strong><em>f<\/em>co&#8217;=30Mpa\u00a0<\/strong>and confinning stresses in two direction are\u00a0<strong><em>flx&#8217;<\/em>= 3.0Mpa<\/strong>\u00a0and\u00a0<strong><em>fl<\/em>y&#8217; = 8.4Mpa\u00a0<\/strong>respectively\uff0ccalculate the compressive strength \u00a0<strong><em>f<\/em>cc&#8217; <\/strong>of the confined concrete\uff09<\/span><\/p>\n<p style=\"padding-left: 20px;\"><strong>\u7ea6\u675f\u7cfb\u6570\u8ba1\u7b97(<span style=\"color: #0000ff;\"> Confinning stresse ratio<\/span> )\uff1a<\/strong><\/p>\n<p style=\"padding-left: 20px;\">\u00a0<strong><em>flx&#8217;<\/em>\/<em>f<\/em>co&#8217; = 3.0\/30 = 0.1;<\/strong><\/p>\n<p style=\"padding-left: 20px;\">\u00a0<strong><em>fly&#8217;<\/em>\/<em>f<\/em>co&#8217; = 8.4\/30 = 0.28;<\/strong><\/p>\n<p style=\"padding-left: 20px;\"><strong>\u8f6f\u4ef6\u8ba1\u7b97\u8fc7\u7a0b\uff08<span style=\"color: #0000ff;\">Get Confined Strength Ratio\u00a0by Software<\/span>\uff09\uff1a<\/strong><\/p>\n<p style=\"padding-left: 20px;\">\u8f93\u5165\u4e24\u4e2a\u65b9\u5411\u7684\u7ea6\u675f\u7cfb\u6570\uff0c\u70b9\u51fb<strong>\u201cCalculate\u201d<\/strong>\u6309\u94ae\u3002<span style=\"color: #0000ff;\">(Input the\u00a0confinning stresse ratio in two direction and press the &#8216;<strong>Calculate<\/strong>&#8216; button.)<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-1739\" src=\"http:\/\/www.jdcui.com\/wp-content\/uploads\/2015\/08\/ManderConfinedStrengthRatioCalculator-Example2.png\" alt=\"ManderConfinedStrengthRatioCalculator-Example2\" width=\"405\" height=\"426\" \/><\/p>\n<p style=\"padding-left: 20px;\">\u7ea6\u675f\u6df7\u51dd\u571f\u5f3a\u5ea6\u7cfb\u6570\uff08<span style=\"color: #0000ff;\">Confined Strength Ratio<\/span>\uff09\uff1a<\/p>\n<p style=\"padding-left: 20px;\">\u00a0<em>fcc<strong>&#8216;<\/strong><\/em>\/<em>f<\/em>co&#8217; = 1.7971448<\/p>\n<p style=\"padding-left: 20px;\">\u7ea6\u675f\u6df7\u51dd\u571f\u5f3a\u5ea6\uff08<span style=\"color: #0000ff;\">compressive strength \u00a0<strong><em>f<\/em>cc&#8217; <\/strong><\/span>\uff09:<\/p>\n<p style=\"padding-left: 20px;\"><em>f<\/em>cc<strong>&#8216;<\/strong>= 1.7971448 \u00d7\u00a030 = 53.91\u00a0Mpa<\/p>\n<p style=\"padding-left: 20px;\"><strong>\u8bfb\u56fe\uff08<span style=\"color: #0000ff;\">Get Confined Strength Ratio from\u00a0Figure<\/span>\uff09\uff1a<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-1740\" src=\"http:\/\/www.jdcui.com\/wp-content\/uploads\/2015\/08\/mander\u5f3a\u5ea6\u63d0\u9ad8\u7cfb\u6570-Example2.png\" alt=\"mander\u5f3a\u5ea6\u63d0\u9ad8\u7cfb\u6570-Example2\" width=\"539\" height=\"404\" \/><\/p>\n<ul style=\"list-style-type: square;\">\n<li><strong>\u7a0b\u5e8f\u4e0b\u8f7d\uff08<span style=\"color: #0000ff;\">Program Download<\/span>\uff09<\/strong><\/li>\n<\/ul>\n<p><span style=\"color: #ff0000;\"><strong>\u8be5\u8f6f\u4ef6\u5df2\u7ecf\u66f4\u65b0\u52302019\u7248\uff0c\u83b7\u5f97\u65b9\u6cd5\u8bf7\u67e5\u770b\u8fd9\u4e2a\u7f51\u9875\uff1a<a href=\"http:\/\/www.jdcui.com\/?p=11858\" target=\"_blank\" rel=\"noopener noreferrer\">[\u8f6f\u4ef6][\u66f4\u65b0][\u6df7\u51dd\u571f][\u79d1\u7814]2019\u7248 MCSR:Mander Confined Strength Ratio Calculator [2019\u7248Mander\u6df7\u51dd\u571f\u7ea6\u675f\u5f3a\u5316\u7cfb\u6570\u8ba1\u7b97\u5de5\u5177]<\/a><\/strong><\/span><\/p>\n<ul style=\"list-style-type: square;\">\n<li><strong>\u53c2\u8003\u6587\u732e\uff08<span style=\"color: #0000ff;\">Reference<\/span>\uff09<\/strong>\uff1a<\/li>\n<\/ul>\n<p><strong>[01]<\/strong> \u00a0<strong>Mander J B, Priestley M J N, Park R. Theoretical stress-strain model for confined concrete[J]. Journal of Structural Division,ASCE. 1988, 114(8): 1804-1826.<\/strong><\/p>\n<ul style=\"list-style-type: square;\">\n<li><strong>\u76f8\u5173\u535a\u6587\uff08<span style=\"color: #0000ff;\">Related Posts<\/span>\uff09<\/strong>\uff1a<\/li>\n<\/ul>\n<p><strong>[01]<\/strong> \u00a0<strong><a class=\"row-title\" title=\"Edit \u201cModified Kent &amp; Park Concrete Model \u8d44\u6599\u6574\u7406\u201d\" href=\"http:\/\/www.jdcui.com\/?p=1697\" target=\"_blank\" rel=\"noopener noreferrer\">Mander Confined Concrete Model \u8d44\u6599\u6574\u7406<\/a><\/strong><\/p>\n<p><strong>[02]<\/strong> \u00a0<strong><a class=\"row-title\" title=\"Edit \u201cMander Confined Concrete Model \u2013 Confined Strength Ratio [Mander\u6df7\u51dd\u571f\u672c\u6784\u7ea6\u675f\u5f3a\u5316\u7cfb\u6570]\u201d\" href=\"http:\/\/www.jdcui.com\/?p=952\" target=\"_blank\" rel=\"noopener noreferrer\">Mander Confined Concrete Model \u2013 Confined Strength Ratio [Mander\u6df7\u51dd\u571f\u672c\u6784\u7ea6\u675f\u5f3a\u5316\u7cfb\u6570]<\/a><\/strong><\/p>\n<hr \/>\n<p><center><strong><div  class=\"thumbs-rating-container\" id=\"thumbs-rating-1730\" data-content-id=\"1730\"><button class=\"thumbs-rating-up thumbs-rating-voted\" onclick=\"thumbs_rating_vote(1730, 1);\">Vote Up +109<\/button> <button class=\"thumbs-rating-down thumbs-rating-voted\" onclick=\"thumbs_rating_vote(1730, 2);\">Vote Down -9<\/button><span class=\"thumbs-rating-already-voted\">You already voted!<\/span><\/div><\/strong><\/center><\/p>\n<ul style=\"list-style-type: square;\">\n<li style=\"text-align: left;\"><strong>\u5fae\u4fe1\u516c\u4f17\u53f7\u00a0( <span style=\"color: #0000ff;\">Wechat\u00a0Subscription<\/span>)<\/strong><\/li>\n<\/ul>\n<p><a href=\"http:\/\/www.jdcui.com\/wp-content\/uploads\/2017\/01\/QRCODE.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-3636\" src=\"http:\/\/www.jdcui.com\/wp-content\/uploads\/2017\/01\/QRCODE.jpg\" alt=\"WeChat_QRCode\" width=\"250\" height=\"255\" \/><\/a><\/p>\n<p style=\"text-align: center;\"><strong>\u6b22\u8fce\u5173\u6ce8\u00a0\u201c<span style=\"color: #ff00ff;\">\u7ed3\u6784\u4e4b\u65c5<\/span>\u201d\u00a0\u5fae\u4fe1\u516c\u4f17\u53f7<\/strong><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u8f6f\u4ef6\u56fe\u6807 (Program ICON) \u5f15\u8a00\uff08Introduction\uff09 \u4e0a\u4e00\u7bc7\u535a\u6587\u300aMander Confined Concrete Model \u8d44\u6599\u6574\u7406\u300b\u603b\u7ed3\u4e86Mander\u6a21\u578b\u53c2\u6570\u7684\u8ba1\u7b97\u65b9\u6cd5\uff0c\u5176\u4e2d\u8be5\u6a21\u578b\u5341\u5206\u5173\u952e\u7684\u4e00\u4e2a\u53c2\u6570\u4e3a\u7ea6\u675f\u6df7\u51dd\u571f\u7684\u5cf0\u503c\u5f3a\u5ea6fcc&#8217;\u3002\u5173\u4e8efcc&#8217;\u7684\u786e\u5b9a\uff0cMander\u6a21\u578b\u539f\u6587\uff08Ref. 1\uff09\u7ed9\u51fa\u7684\u65b9\u6cd5\u4e3a\uff1a\u9996\u5148\u786e\u5b9a\u4e24\u4e2a\u65b9\u5411\u7684\u7ea6\u675f\u7cfb\u6570\uff0c\u7136\u540e\u901a\u8fc7\u67e5\u56fe\u5f97\u5230\u7ea6\u675f\u5f3a\u5ea6\u7cfb\u6570\uff08Confined Strength Ratio\uff09\uff0c\u8fdb\u800c\u5f97\u5230fcc&#8217;\uff08\u535a\u6587\u300aMander Confined Concrete Model &#8211; Confined Strength Ratio [Mander\u6df7\u51dd\u571f\u672c\u6784\u7ea6\u675f\u5f3a\u5316\u7cfb\u6570]\u300b\u4e5f\u63d0\u5230\uff09\uff0c\u4e0d\u65b9\u4fbf\u4f7f\u7528\u3002 \u539f\u6587\u7ed9\u51fa\u7684\u7ea6\u675f\u5f3a\u5ea6\u7cfb\u6570\uff08Confined Strength Ratio &#8211; fcc&#8217;\/fco&#8217;\uff09\u56fe\uff1a \u4e3a\u6b64\uff0c\u7f16\u5236\u5c0f\u7a0b\u5e8f\u8ba1\u7b97Mander\u6a21\u578b\u7684\u7ea6\u675f\u5f3a\u5ea6\u7cfb\u6570\uff0c\u7a0b\u5e8f\u5982\u4e0b\u56fe\u6240\u793a\u3002 \u7a0b\u5e8f\u529f\u80fd\uff08Program Features\uff09\uff1a \u7a0b\u5e8f\u901a\u8fc7\u8f93\u5165\u4e24\u4e2a\u65b9\u5411\u7684\u6709\u6548\u7ea6\u675f\u7cfb\u6570\uff0c\u8ba1\u7b97Mander\u6df7\u51dd\u571f\u6a21\u578b\u7684\u7ea6\u675f\u5f3a\u5ea6\u7cfb\u6570\uff0c\u7701\u53bb\u67e5\u56fe\u7684\u8fc7\u7a0b\uff0c\u65b9\u4fbf\u5e73\u65f6\u505a\u6570\u503c\u6a21\u62df\u3002 This 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