{"id":2566,"date":"2019-06-03T06:37:25","date_gmt":"2019-06-03T06:37:25","guid":{"rendered":""},"modified":"2019-06-03T14:37:46","modified_gmt":"2019-06-03T06:37:46","slug":"adi%3a%e5%ae%89%e9%9d%99%e4%b8%94%e7%ae%80%e5%8d%95%e7%9a%84silent+switcher%e5%99%a8%e4%bb%b6","status":"publish","type":"post","link":"http:\/\/www.szryc.com\/?p=2566","title":{"rendered":"ADI:\u5b89\u9759\u4e14\u7b80\u5355\u7684Silent Switcher\u5668\u4ef6"},"content":{"rendered":"<h2 style=\"margin-right: 0px; margin-bottom: 20px; margin-left: 0px; padding: 0px; font-weight: normal; font-size: 22px; color: rgb(0, 0, 0); font-family: \u5fae\u8f6f\u96c5\u9ed1; text-indent: 2em; margin-top: 0px !important;\">\n\t\u7b80\u4ecb<\/h2>\n<p style=\"margin: 0px 0px 12px; padding: 0px; word-wrap: break-word; letter-spacing: 0.5px; font-size: 16px; text-indent: 2em; color: rgb(51, 51, 51) !important; line-height: 30px !important; font-family: &quot;Microsoft yahei&quot;, \u5fae\u8f6f\u96c5\u9ed1 !important;\">\n\t\u4e0d\u8a00\u800c\u55bb\uff0cPC<u>\u7535\u8def\u677f<\/u>\u7684\u5e03\u5c40\u8bbe\u8ba1\u51b3\u5b9a\u4e86\u6bcf\u4e00\u79cd\u7535\u6e90\u8bbe\u8ba1\u7684\u6210\u8d25\u3002\u5b83\u51b3\u5b9a\u4e86\u4e00\u4e2a\u7535\u6e90\u7684\u529f\u80fd\u3001\u7535\u78c1\u5e72\u6270\uff08E<u>MI<\/u>\uff09\u548c\u70ed\u884c\u4e3a\u3002\u867d\u7136<u>\u5f00\u5173\u7535\u6e90<\/u>\u5e03\u5c40\u4e0d\u662f\u9ed1\u9b54\u6cd5\uff0c\u4f46\u5728\u8bbe\u8ba1\u8fc7\u7a0b\u4e2d\u4f1a\u7ecf\u5e38\u88ab\u5ffd\u89c6\uff0c\u6700\u7ec8\u53d1\u73b0\u5176\u81f3\u5173\u91cd\u8981\u5374\u4e3a\u65f6\u5df2\u665a\u3002\u56e0\u6b64\u9700\u8981\u4e00\u79cd\u884c\u4e4b\u6709\u6548\u7684\u65b9\u6cd5\uff0c\u4ece\u4e00\u5f00\u59cb\u5c31\u524a\u5f31\u8fd9\u4e9b\u6f5c\u5728\u7684EMI\u5a01\u80c1\uff0c\u65b9\u80fd\u786e\u4fdd\u7535\u6e90\u5b89\u9759\u800c\u7a33\u5b9a\u3002\u867d\u7136\u8bb8\u591a\u5f00\u5173\u6a21\u5f0f\u7535\u6e90\u8bbe\u8ba1\u4eba\u5458\u90fd\u5f88\u6e05\u695a\u5f00\u5173\u6a21\u5f0f\u7535\u6e90\u7684\u8bbe\u8ba1\u590d\u6742\u6027\u548c\u7ec6\u5fae\u5dee\u522b\uff0c\u4f46\u5f88\u591a\u516c\u53f8\u6839\u672c\u6ca1\u6709\u8db3\u591f\u7684\u8bbe\u8ba1\u4eba\u5458\u6ee1\u8db3\u6240\u6709\u9879\u76ee\u9700\u6c42\u5b8c\u6210\u8bbe\u8ba1\u3002\u4e0d\u5c11\u8bbe\u8ba1\u4eba\u5458\u5c06\u9000\u4f11\u5e76\u79bb\u5f00\u6b64\u884c\u4e1a\uff01\u90a3\u4e48\uff0c\u5982\u4f55\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\u5462\uff1f<\/p>\n<p style=\"margin: 0px 0px 12px; 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vertical-align: middle; cursor: pointer; margin: 0px auto; display: block; max-width: 100%; border-radius: 2px; width: 500px; height: 291px;\" \/><\/p>\n<p style=\"margin: 0px 0px 12px; padding: 0px; word-wrap: break-word; letter-spacing: 0.5px; font-size: 16px; text-indent: 2em; text-align: center; color: rgb(51, 51, 51) !important; line-height: 30px !important; font-family: &quot;Microsoft yahei&quot;, \u5fae\u8f6f\u96c5\u9ed1 !important;\">\n\t\u56fe3.LT8614\u56fe\uff0c\u663e\u793a\u6ee4\u6ce2\u5668\u7535\u5bb9\u5b89\u7f6e\u5728IC\u53e6\u4e00\u4fa7\u7684VIN\u548c\u63a5\u5730\u5f15\u811a\u4e4b\u95f4\u3002<\/p>\n<p style=\"margin: 0px 0px 12px; padding: 0px; word-wrap: break-word; letter-spacing: 0.5px; font-size: 16px; text-indent: 2em; color: rgb(51, 51, 51) !important; line-height: 30px !important; font-family: &quot;Microsoft yahei&quot;, \u5fae\u8f6f\u96c5\u9ed1 !important;\">\n\t<strong>LT8614\u8be6\u60c5<\/strong><\/p>\n<p style=\"margin: 0px 0px 12px; padding: 0px; word-wrap: break-word; letter-spacing: 0.5px; font-size: 16px; text-indent: 2em; color: rgb(51, 51, 51) !important; line-height: 30px !important; font-family: &quot;Microsoft yahei&quot;, \u5fae\u8f6f\u96c5\u9ed1 !important;\">\n\tLT8614\u5305\u542bSilent Switcher\u529f\u80fd\u3002\u5229\u7528\u8be5\u529f\u80fd\uff0c\u6211\u4eec\u901a\u8fc7\u4f7f\u7528\u94dc\u67f1\u5012\u88c5\u82af\u7247\u5c01\u88c5\u80fd\u591f\u51cf\u5c11\u5bc4\u751f\u7535\u611f\u3002\u6b64\u5916\uff0c\u8fd8\u6709\u53cd\u5411VIN\u3001\u63a5\u5730\u548c\u8f93\u5165\u7535\u5bb9\uff0c\u53ef\u6d88\u9664\u78c1\u573a\uff08\u9002\u7528\u53f3\u624b\u6cd5\u5219\uff09\u4ee5\u964d\u4f4eEMI\u8f90\u5c04\u3002<\/p>\n<p style=\"margin: 0px 0px 12px; padding: 0px; word-wrap: break-word; letter-spacing: 0.5px; font-size: 16px; text-indent: 2em; color: rgb(51, 51, 51) !important; line-height: 30px !important; font-family: &quot;Microsoft yahei&quot;, \u5fae\u8f6f\u96c5\u9ed1 !important;\">\n\t\u7531\u4e8e\u4e0d\u9700\u8981\u4f7f\u7528\u710a\u7ebf\u952e\u5408\u5f0f\u88c5\u914d\u6280\u672f\u6240\u8981\u6c42\u7684\u957f\u952e\u5408\u7ebf\uff0c\u4e0d\u4f1a\u4ea7\u751f\u5927\u7684\u5bc4\u751f\u7535\u963b\u548c\u7535\u611f\uff0c\u4ece\u800c\u53ef\u51cf\u5c0f\u5c01\u88c5\u5bc4\u751f\u7535\u611f\u3002\u4e24\u4e2a\u5bf9\u79f0\u5206\u5e03\u7684\u8f93\u5165\u70ed\u56de\u8def\u4ea7\u751f\u7684\u53cd\u5411\u78c1\u573a\u76f8\u4e92\u62b5\u6d88\uff0c\u5e76\u4e14\u7535\u56de\u8def\u6ca1\u6709\u51c0\u78c1\u573a\u3002<\/p>\n<p style=\"margin: 0px 0px 12px; padding: 0px; word-wrap: break-word; letter-spacing: 0.5px; font-size: 16px; text-indent: 2em; color: rgb(51, 51, 51) !important; line-height: 30px !important; font-family: &quot;Microsoft yahei&quot;, \u5fae\u8f6f\u96c5\u9ed1 !important;\">\n\t\u6211\u4eec\u5c06LT8614 Silent Switcher\u7a33\u538b\u5668\u4e0e\u5f53\u524d\u5148\u8fdb\u7684\u5f00\u5173\u7a33\u538b\u5668LT8610\u8fdb\u884c\u6bd4\u8f83\u3002\u5728G<u>TE<\/u>M\u5ba4\u4e2d\uff0c\u5bf9\u4e24\u4e2a\u5668\u4ef6\u7684\u6807\u51c6\u6f14\u793a\u677f\u4f7f\u7528\u76f8\u540c\u8d1f\u8f7d\u3001\u76f8\u540c\u8f93\u5165\u7535\u538b\u548c\u76f8\u540c\u7535\u611f\u8fdb\u884c\u4e86<u>\u6d4b\u8bd5<\/u>\u3002\u6211\u4eec\u53d1\u73b0\uff0c\u4e0e\u4f7f\u7528LT8610\u5177\u6709\u5f88\u4e0d\u9519\u7684EMI\u6027\u80fd\u76f8\u6bd4\uff0c\u4f7f\u7528LT8614\u65f6\u8fd8\u80fd\u63d0\u9ad820 dB\uff0c\u7279\u522b\u662f\u5728\u7ba1\u7406\u66f4\u9ad8\u9891\u7387\u66f4\u56f0\u96be\u7684\u533a\u57df\u3002\u5728\u6574\u4f53\u8bbe\u8ba1\u4e2d\uff0c\u4e0e\u5176\u4ed6\u654f\u611f\u7cfb\u7edf\u76f8\u6bd4\uff0cLT8614\u5f00\u5173\u7535\u6e90\u9700\u8981\u7684\u6ee4\u6ce2\u66f4\u5c11\u3001\u8ddd\u79bb\u66f4\u77ed\uff0c\u4ece\u800c\u53ef\u4ee5\u5b9e\u73b0\u66f4\u7b80\u5355\u7d27\u51d1\u7684\u8bbe\u8ba1\u3002\u6b64\u5916\uff0c\u5728\u65f6\u57df\u5185\uff0cLT8614\u5728\u5f00\u5173\u8282\u70b9\u8fb9\u7f18\u7684\u6027\u80fd\u826f\u597d\u3002<\/p>\n<p align=\"center\" style=\"margin: 0px 0px 12px; padding: 0px; word-wrap: break-word; letter-spacing: 0.5px; font-size: 16px; color: rgb(51, 51, 51) !important; line-height: 30px !important; font-family: &quot;Microsoft yahei&quot;, \u5fae\u8f6f\u96c5\u9ed1 !important;\">\n\t<img decoding=\"async\" alt=\"\u5b89\u9759\u4e14\u7b80\u5355\u7684Silent Switcher\u5668\u4ef6\" src=\"http:\/\/www.szryc.com\/uploads\/allimg\/190603\/143JA555-3.png\" style=\"border: 0px; vertical-align: middle; cursor: pointer; margin: 0px auto; display: block; max-width: 100%; border-radius: 2px; width: 400px; height: 480px;\" \/><\/p>\n<p style=\"margin: 0px 0px 12px; padding: 0px; word-wrap: break-word; letter-spacing: 0.5px; font-size: 16px; text-indent: 2em; text-align: center; color: rgb(51, 51, 51) !important; line-height: 30px !important; font-family: &quot;Microsoft yahei&quot;, \u5fae\u8f6f\u96c5\u9ed1 !important;\">\n\t\u56fe4.LT8614\u8f90\u5c04EMI\u6027\u80fd\u53ef\u6ee1\u8db3\u6700\u4e25\u683c\u7684CISPR 25 Class 5\u9650\u5236\u8981\u6c42\u3002<\/p>\n<h2 style=\"margin: 40px 0px 20px; padding: 0px; font-weight: normal; font-size: 22px; color: rgb(0, 0, 0); font-family: \u5fae\u8f6f\u96c5\u9ed1; text-indent: 2em;\">\n\tSilent Switcher\u5668\u4ef6\u7684\u8fdb\u4e00\u6b65\u589e\u5f3a<\/h2>\n<p style=\"margin: 0px 0px 12px; padding: 0px; word-wrap: break-word; letter-spacing: 0.5px; font-size: 16px; text-indent: 2em; color: rgb(51, 51, 51) !important; line-height: 30px !important; font-family: &quot;Microsoft yahei&quot;, \u5fae\u8f6f\u96c5\u9ed1 !important;\">\n\t\u5c3d\u7ba1LT8614\u5177\u6709\u51fa\u8272\u7684\u6027\u80fd\uff0c\u4f46\u6211\u4eec\u5e76\u6ca1\u6709\u505c\u6b62\u6539\u8fdb\u7684\u6b65\u4f10\u3002\u4e8e\u662f\uff0cLT8640\u964d\u538b\u7a33\u538b\u5668\u91c7\u7528Silent Switcher\u67b6\u6784\uff0c\u65e8\u5728\u6700\u5927\u9650\u5ea6\u5730\u51cf\u5c11EMI\/<u>EMC<\/u>\u8f90\u5c04\uff0c\u540c\u65f6\u5728\u9ad8\u8fbe3 MHz\u7684\u9891\u7387\u4e0b\u63d0\u4f9b\u9ad8\u6548\u7387\u3002\u5b83\u91c7\u75283 mm &times; 4 mm QFN\u5c01\u88c5\uff0c\u91c7\u7528\u96c6\u6210\u7535\u6e90\u5355\u7247\u5f0f\u7ed3\u6784\uff0c\u540c\u65f6\u63d0\u4f9b\u6240\u6709\u5fc5\u9700\u7684\u7535\u8def\u529f\u80fd\uff0c\u5171\u540c\u6784\u6210PCB\u5360\u7528\u7a7a\u95f4\u6700\u5c0f\u7684\u89e3\u51b3\u65b9\u6848\u3002\u77ac\u53d8\u6001\u54cd\u5e94\u6027\u80fd\u4ecd\u7136\u5f88\u51fa\u8272\uff0c\u4efb\u4f55\u8d1f\u8f7d\uff08\u4ece\u96f6\u7535\u6d41\u5230\u6ee1\u7535\u6d41\uff09\u65f6\u7684\u8f93\u51fa\u7535\u538b\u7eb9\u6ce2\u4f4e\u4e8e10 mV p-pat\u3002LT8640\u5141\u8bb8\u5728\u9ad8\u9891\u7387\u4e0b\u8fdb\u884c\u9ad8VIN\u5230\u4f4eVOUT\u8f6c\u6362\uff0c\u6700\u77ed\u5f00\u5173\u5bfc\u901a\u65f6\u95f4\u4e3a30 ns\u3002<\/p>\n<p style=\"margin: 0px 0px 12px; padding: 0px; word-wrap: break-word; letter-spacing: 0.5px; font-size: 16px; text-indent: 2em; color: rgb(51, 51, 51) !important; line-height: 30px !important; font-family: &quot;Microsoft yahei&quot;, \u5fae\u8f6f\u96c5\u9ed1 !important;\">\n\t\u4e3a\u6539\u8fdbEMI\/EMC\uff0cLT8640\u53ef\u5de5\u4f5c\u5728\u5c55\u9891\u6a21\u5f0f\u3002\u8be5\u529f\u80fd\u4ee520%\u7684\u4e09\u89d2\u8c03\u9891\u8c03\u6574\u65f6\u949f\u3002\u5f53LT8640\u5904\u4e8e\u5c55\u9891\u8c03\u5236\u6a21\u5f0f\u65f6\uff0c\u4f7f\u7528\u4e09\u89d2\u8c03\u9891\u529f\u80fd\u5728RT\u8bbe\u5b9a\u503c\u4e0e\u7ea6\u9ad8\u4e8e\u8be5\u503c20%\u4e4b\u95f4\u8c03\u6574\u5f00\u5173\u9891\u7387\u3002\u8c03\u5236\u9891\u7387\u7ea6\u4e3a3 kHz\u3002\u4f8b\u5982\uff0c\u5f53LT8640\u8bbe\u4e3a2 MHz\u65f6\uff0c3 kHz\u901f\u7387\u4e0b\u7684\u9891\u7387\u5c06\u4ece2 MHz\u81f32.4 MHz\u4e0d\u7b49\u3002\u9009\u62e9\u5c55\u9891\u5de5\u4f5c\u6a21\u5f0f\u65f6\uff0c\u7a81\u53d1\u6a21\u5f0f\uff08Bu<u>rs<\/u>t Mode&reg;\uff09\u64cd\u4f5c\u4f1a\u7981\u7528\uff0c\u5668\u4ef6\u5c06\u5728\u8109\u51b2\u8df3\u8dc3\u6a21\u5f0f\u6216\u5f3a\u5236\u8fde\u7eed\u6a21\u5f0f\u4e0b\u8fd0\u884c\u3002<\/p>\n<p style=\"margin: 0px 0px 12px; padding: 0px; word-wrap: break-word; letter-spacing: 0.5px; font-size: 16px; text-indent: 2em; color: rgb(51, 51, 51) !important; line-height: 30px !important; font-family: &quot;Microsoft yahei&quot;, \u5fae\u8f6f\u96c5\u9ed1 !important;\">\n\t\u7136\u800c\uff0c\u5c3d\u7ba1\u6211\u4eec\u5728Silent Switcher\u6570\u636e\u624b\u518c\u4e2d\u90fd\u6709\u8bf4\u660e\uff0c\u5982\u63d0\u4f9b\u4e86\u539f\u7406\u56fe\u548c\u5e03\u5c40\u5efa\u8bae\uff0c\u4ee5\u53ca\u5c06\u8f93\u5165\u7535\u5bb9\u653e\u5728\u5c3d\u53ef\u80fd\u9760\u8fd1IC\u4e24\u4fa7\u7684\u4f4d\u7f6e&mdash;&mdash;\u6709\u4e00\u4e9b\u5ba2\u6237\u4ecd\u7136\u4f1a\u51fa\u9519\u3002\u6b64\u5916\uff0c\u6211\u4eec\u7684\u5185\u90e8\u5de5\u7a0b\u5e08\u4e5f\u82b1\u4e86\u592a\u591a\u7684\u65f6\u95f4\u6765\u89e3\u51b3\u5ba2\u6237\u7684PCB\u5e03\u5c40\u95ee\u9898\u3002\u56e0\u6b64\uff0c\u6211\u4eec\u7684\u8bbe\u8ba1\u4eba\u5458\u63d0\u51fa\u4e86\u89e3\u51b3\u6b64\u95ee\u9898\u7684\u6700\u4f73\u89e3\u51b3\u65b9\u6848&mdash;&mdash;Silent Switcher 2\u67b6\u6784\u3002<\/p>\n<h2 style=\"margin: 40px 0px 20px; padding: 0px; font-weight: normal; font-size: 22px; color: rgb(0, 0, 0); font-family: \u5fae\u8f6f\u96c5\u9ed1; text-indent: 2em;\">\n\tSilent Switcher 2<\/h2>\n<p style=\"margin: 0px 0px 12px; padding: 0px; word-wrap: break-word; letter-spacing: 0.5px; font-size: 16px; text-indent: 2em; color: rgb(51, 51, 51) !important; line-height: 30px !important; font-family: &quot;Microsoft yahei&quot;, \u5fae\u8f6f\u96c5\u9ed1 !important;\">\n\t\u91c7\u7528Silent Switcher 2\u6280\u672f\uff0c\u6211\u4eec\u53ea\u9700\u5c06\u7535\u5bb9\u96c6\u6210\u5728\u65b0LQFN\u5c01\u88c5\u5185\uff1aVIN\u7535\u5bb9\u3001IntVCC\u548c\u5347\u538b\u7535\u5bb9&mdash;&mdash;\u5c3d\u53ef\u80fd\u9760\u8fd1\u5f15\u811a\u653e\u7f6e\u3002\u4f18\u52bf\u662f\u5c06\u6240\u6709\u70ed\u56de\u8def\u548c\u63a5\u5730\u5c42\u90fd\u5305\u62ec\u5728\u5185\uff0c\u4ece\u800c\u964d\u4f4e\u4e86EMI\u3002\u5916\u90e8\u5143\u4ef6\u8d8a\u5c11\uff0c\u89e3\u51b3\u65b9\u6848\u5c3a\u5bf8\u5c31\u8d8a\u5c0f\u3002\u6b64\u5916\uff0c\u6211\u4eec\u8fd8\u6d88\u9664\u4e86PCB\u5e03\u5c40\u654f\u611f\u6027\u3002<\/p>\n<p style=\"margin: 0px 0px 12px; padding: 0px; word-wrap: break-word; letter-spacing: 0.5px; font-size: 16px; text-indent: 2em; color: rgb(51, 51, 51) !important; line-height: 30px !important; font-family: &quot;Microsoft yahei&quot;, \u5fae\u8f6f\u96c5\u9ed1 !important;\">\n\t\u5982\u56fe5\u6240\u793a\uff0c\u53ef\u4ee5\u770b\u51faLT8640\u548cLT8640S\u7684\u539f\u7406\u56fe\u6709\u4f55\u4e0d\u540c\u3002\u800c\u8425\u9500\u7a81\u7834\u53e3\u662f\u4e3a\u5305\u542b\u5185\u90e8\u7535\u5bb9\u7684\u96c6\u6210\u5ea6\u66f4\u9ad8\u7684\u65b0\u7248\u672c\u51a0\u4ee5&ldquo;S&rdquo;\u7684\u540e\u7f00\u3002\u56e0\u4e3a\u5b83\u6bd4\u7b2c\u4e00\u4ee3\u66f4&ldquo;\u5b89\u9759&rdquo;\uff01<\/p>\n<p align=\"center\" style=\"margin: 0px 0px 12px; padding: 0px; word-wrap: break-word; letter-spacing: 0.5px; font-size: 16px; color: rgb(51, 51, 51) !important; line-height: 30px !important; font-family: &quot;Microsoft yahei&quot;, \u5fae\u8f6f\u96c5\u9ed1 !important;\">\n\t<img decoding=\"async\" alt=\"\u5b89\u9759\u4e14\u7b80\u5355\u7684Silent Switcher\u5668\u4ef6\" src=\"http:\/\/www.szryc.com\/uploads\/allimg\/190603\/143J625c-4.png\" style=\"border: 0px; vertical-align: middle; cursor: pointer; margin: 0px auto; display: block; max-width: 100%; border-radius: 2px; width: 500px; height: 170px;\" \/><\/p>\n<p style=\"margin: 0px 0px 12px; padding: 0px; word-wrap: break-word; letter-spacing: 0.5px; font-size: 16px; text-indent: 2em; text-align: center; color: rgb(51, 51, 51) !important; line-height: 30px !important; font-family: &quot;Microsoft yahei&quot;, \u5fae\u8f6f\u96c5\u9ed1 !important;\">\n\t\u56fe5.LT8640S\u662f\u4e00\u6b3e\u5177\u6709\u66f4\u9ad8\u7684\u7535\u5bb9\u96c6\u6210\u5ea6\u7684Silent Switcher 2\u5668\u4ef6\u3002<\/p>\n<p style=\"margin: 0px 0px 12px; padding: 0px; word-wrap: break-word; letter-spacing: 0.5px; font-size: 16px; text-indent: 2em; color: rgb(51, 51, 51) !important; line-height: 30px !important; font-family: &quot;Microsoft yahei&quot;, \u5fae\u8f6f\u96c5\u9ed1 !important;\">\n\tSilent Switcher 2\u6280\u672f\u63d0\u9ad8\u4e86\u6563\u70ed\u6027\u80fd\u3002LQFN\u5012\u88c5\u82af\u7247\u5c01\u88c5\u4e0a\u7684\u591a\u4e2a\u5927\u5c3a\u5bf8\u63a5\u5730\u88f8\u9732\u710a\u76d8\u6709\u52a9\u4e8e\u5c01\u88c5\u548cPCB\u6563\u70ed\u3002\u7531\u4e8e\u6211\u4eec\u6d88\u9664\u4e86\u9ad8\u7535\u963b\u952e\u5408\u7ebf\uff0c\u56e0\u6b64\u8fd8\u63d0\u9ad8\u4e86\u8f6c\u6362\u6548\u7387\u3002LT8640S\u7684EMI\u6027\u80fd\u8f7b\u677e\u6ee1\u8db3\u8f90\u5c04EMI\u6027\u80fdCISPR 25 Class 5\u5cf0\u503c\u9650\u5236\u8981\u6c42\u5e76\u4e14\u6709\u8f83\u5927\u7684\u88d5\u91cf\u3002<\/p>\n<p style=\"margin: 0px 0px 12px; 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