{"id":21736,"date":"2026-09-17T08:00:42","date_gmt":"2026-09-17T00:00:42","guid":{"rendered":"http:\/\/xinxuan.jlgyjj.com\/?p=21736"},"modified":"2026-09-17T08:00:59","modified_gmt":"2026-09-17T00:00:59","slug":"21736","status":"publish","type":"post","link":"http:\/\/xinxuan.jlgyjj.com\/?p=21736","title":{"rendered":""},"content":{"rendered":"

\n\t\u8fd1\u671f\uff0c\u56fd\u5185\u5357\u5317\u8239\u5382\u540c\u6b65\u5f00\u5de5\u7b2c\u4e8c\u6279<\/span><\/span>054B\u62a4\u536b\u8230\u3002\u76f8\u8f83\u4e8e<\/span><\/span><\/span>\u6210\u719f<\/span><\/span><\/span>\u7684<\/span><\/span>054A\uff0c\u65b0\u7248054B\u5782\u53d1\u5355\u5143\u4ece32\u5957\u6269\u5bb9\u81f348\u5957\uff0c\u706b\u529b\u5bc6\u5ea6\u63d0\u5347\u3002<\/span><\/span><\/span>\u6309\u7167\u73b0\u6709\u53d1\u5c55\u6001\u52bf\u6765\u770b\uff0c<\/span><\/span><\/span>\u672a\u6765<\/span><\/span>054B\u670d\u5f79\u603b\u91cf\u6709\u671b\u7a81\u783420\u4f59\u8258\uff0c\u642d\u914d\u73b0\u5f7920\u8258\u5de6\u53f3\u7684056A\u8f7b\u578b\u62a4\u536b\u8230<\/span><\/span><\/span>\uff0c<\/span><\/span><\/span>40\u4f59\u8258\u7684054A\u7cfb\u5217<\/span><\/span><\/span>\uff0c\u6d77\u519b\u5373\u5c06<\/span><\/span><\/span>\u5f88\u5feb\u8fdb<\/span><\/span><\/span>\u5165<\/span><\/span>\u201c\u767e\u62a4\u65f6\u4ee3\u201d\uff0c\u8fd1\u6d77\u9632\u5fa1\u3001\u8fdc\u6d77\u62a4\u822a\u7684\u4f53\u7cfb<\/span><\/span><\/span>\u8d8a\u6765\u8d8a\u5b8c\u6574<\/span><\/span><\/span>\u3002<\/span><\/span><\/span>\n<\/p>\n

\n\t\u4f46\u5927\u5bb6\u901a\u8fc7\u6b63\u5f0f\u53d1\u5e03\u7684\u65b0\u95fb\u53d1\u73b0<\/span><\/span><\/span>\uff1a\u6279\u91cf\u5217\u88c5\u7684<\/span><\/span>054B\u62a4\u536b\u8230\uff0c\u6700\u7ec8\u91c7\u7528\u7684\u662f\u5168\u67f4\u52a8\u529b<\/span>\uff0c\u800c\u975e\u6b64\u524d\u7f51\u4f20\u7684\u7efc\u5408\u7535\u529b\u63a8\u8fdb\u65b9\u6848\uff0c\u4e0d\u5c11\u4eba\u4e3a\u6b64\u611f\u5230\u4e9b\u8bb8\u9057\u61be\u3002\u4f46\u5ba2\u89c2\u6765\u770b\uff0c\u5168\u67f4\u52a8\u529b\u7edd\u975e\u201c\u843d\u540e\u59a5\u534f\u201d\uff0c<\/span><\/span><\/span>\n<\/p>\n

\n\t\"\u56fe\u7247\"
\n<\/section>\n

\n\t<\/span><\/span>\n<\/p>\n

\n\t\n<\/p>\n<\/p>\n

\n\t\u4ece\u5168\u4e16\u754c\u8303\u56f4\u6765\u8bf4\uff0c\u5168\u67f4\u52a8\u529b\u5df2\u7ecf\u5728<\/span><\/span>5000\u5428\u522b\u4e0a\u4e0b\u7684\u62a4\u536b\u8230\u8d8a\u6765\u8d8a\u591a\uff0c<\/span><\/span><\/span>\n<\/p>\n

\n\tFDI \u9879\u76ee\u603b\u751f\u4ea7\u7edf\u8ba1<\/span><\/span>\uff0c<\/span><\/span><\/span>\u6cd5\u56fd<\/span><\/span> 5 \u8258 <\/span><\/span>\uff0c<\/span><\/span><\/span> <\/span>\u5e0c\u814a<\/span><\/span> 4 \u8258 <\/span><\/span>\uff0c<\/span><\/span><\/span>\u745e\u5178<\/span><\/span> 4 \u8258<\/span><\/span>\uff0c<\/span><\/span><\/span>\u5408\u8ba1<\/span><\/span> 13 \u8258 FDI \u8ba2\u5355<\/span><\/span>\n<\/p>\n

\n\t31\u578b\u62a4\u536b\u8230\uff0c\u82f1\u56fd5\u8258\uff0c<\/span><\/span><\/span>\u6ce2\u5170\u91c7\u8d2d<\/span><\/span> 3 \u8258<\/span><\/span>\uff0c\u5370\u5c3c<\/span><\/span>4\u8258\uff08\u4e5f\u6709\u8bf42\u8258\uff09\uff0c\u5408\u8ba110\u8258\u523012\u8258\uff1b<\/span><\/span><\/span>\n<\/p>\n

\n\t<\/mpcpc>
\n<\/section>\n

\n\t\u4e0d\u8fc7\u518d\u5148\u8fdb\u7684\u67f4\u6cb9\u673a\uff0c\u90fd\u7ed5\u4e0d\u5f00\u4e00\u4e2a<\/span><\/span><\/span>\u95ee\u9898<\/span><\/span><\/span>\uff1a\u566a\u97f3\u504f\u5927\u3002\u800c\u5728\u73b0\u4ee3\u6d77\u6218\u4e2d\uff0c\u8230\u8247\u566a\u97f3\u7edd\u975e\u7b80\u5355\u7684<\/span><\/span>\u201c\u5435\u201d\u3002\u67f4\u6cb9\u673a\u5de5\u4f5c\u65f6\u4ea7\u751f\u7684\u4f4e\u9891\u8109\u52a8\u566a\u58f0\uff0c\u4f20\u64ad\u8ddd\u79bb\u6781\u8fdc\u3001\u7a7f\u900f\u6027\u6781\u5f3a\uff0c\u6781\u6613\u88ab\u654c\u65b9\u88ab\u52a8\u58f0\u5450\u8fdc\u8ddd\u79bb\u6355\u6349\uff0c<\/span><\/span><\/span>\u4f1a<\/span><\/span><\/span>\u66b4\u9732\u8230\u8247\u884c\u8e2a<\/span><\/span><\/span>\uff0c<\/span><\/span><\/span>\u62db\u81f4\u6f5c\u8247\u653b\u51fb<\/span><\/span><\/span>\u3002<\/span><\/span><\/span>\n<\/p>\n

\n\t\u540c\u65f6\uff0c\u673a\u8231\u5185\u6301\u7eed\u7684\u9ad8\u5f3a\u5ea6\u566a\u97f3\uff0c\u4f1a\u4e25\u91cd\u5f71\u54cd\u8230\u5458\u6267\u52e4\u72b6\u6001\uff0c\u957f\u671f\u4e0b\u6765\u524a\u5f31\u4eba\u5458\u6218\u6597\u529b\u548c\u8230\u8247\u6301\u7eed\u4f5c\u6218\u80fd\u529b\u3002<\/span><\/span><\/span>\n<\/p>\n

\n\t\u957f\u4e45\u4ee5\u6765\uff0c\u5404\u56fd\u6d77\u519b\u89e3\u51b3\u8230\u8247\u566a\u97f3\u95ee\u9898\uff0c\u4f9d\u9760\u7684\u90fd\u662f\u4f20\u7edf\u88ab\u52a8\u964d\u566a\u624b\u6bb5\uff0c\u901a\u8fc7\u539a\u91cd\u6d88\u97f3\u5668\u3001\u9694\u58f0\u963b\u5c3c\u6750\u6599\u3001\u8230\u4f53\u5305\u8986\u7ed3\u6784\u7b49\u65b9\u5f0f<\/span><\/span><\/span>\u964d\u4f4e<\/span><\/span><\/span>\u566a\u58f0\u3002\u4f46\u8fd9\u5957\u65b9\u6848\u7684\u5f0a\u7aef\u5341\u5206\u660e\u663e\uff1a\u539a\u91cd\u7684\u964d\u566a\u8bbe\u5907\u4f53\u578b\u7b28\u91cd\uff0c\u5927\u91cf\u5360\u7528\u62a4\u536b\u8230\u7684\u8231\u5bb9\uff0c\u589e\u52a0\u8239\u4f53\u81ea\u91cd\uff0c\u8fd8\u4f1a\u62ac\u9ad8\u67f4\u6cb9\u673a\u6392\u6c14\u80cc\u538b<\/span>\uff0c\u76f4\u63a5\u62d6\u7d2f\u4e3b\u673a\u52a8\u529b\u8f93\u51fa\u3001\u589e\u52a0\u71c3\u6cb9\u6d88\u8017\u3002<\/span><\/span><\/span>\n<\/p>\n

\n\t\u6700\u81f4\u547d\u7684\u662f\uff0c\u88ab\u52a8\u964d\u566a\u5bf9\u6d77\u6218\u5a01\u80c1\u6700\u5927\u7684\u4f4e\u9891\u7ebf\u8c31\u566a\u58f0\uff0c\u538b\u5236\u6548\u679c\u6781\u5dee\uff0c\u65e0\u6cd5\u4ece\u6839\u6e90\u89e3\u51b3\u8230\u8247\u58f0\u5b66\u66b4\u9732\u7684\u96be\u9898\u3002<\/span><\/span><\/span>\n<\/p>\n

\n\t\u6b63\u56e0\u4f20\u7edf\u964d\u566a\u6280\u672f<\/span><\/span><\/span>\u6709\u9650<\/span><\/span><\/span>\uff0c<\/span><\/span><\/span>\u624d\u5f00\u59cb\u53d1\u5c55<\/span><\/span><\/span>\u67f4\u6cb9\u673a\u6709\u6e90\u58f0\u97f3\u5bf9\u6d88<\/span>\u6280\u672f\u8fd9\u9879<\/span><\/span><\/span>\u6280\u672f<\/span><\/span><\/span>\uff0c\u8fd9\u9879\u6280\u672f\u539f\u7406\u8bf4\u767d\u4e86\u5c31\u662f\u4ee5\u58f0\u5236\u58f0\uff0c\u53cd\u5411\u62b5\u6d88\u3002<\/span><\/span><\/span>\n<\/p>\n

\n\t\u7cfb\u7edf\u4f9d\u6258\u9ad8\u7cbe\u5ea6\u58f0\u5b66\u4f20\u611f\u5668\uff0c<\/span><\/span>24\u5c0f\u65f6\u5b9e\u65f6\u91c7\u96c6\u67f4\u6cb9\u673a\u7684\u539f\u59cb\u566a\u58f0\u4fe1\u53f7\uff0c\u673a\u8f7d\u9ad8\u901f\u82af\u7247\u77ac\u95f4\u89e3\u6790\u51fa\u566a\u58f0\u7684\u9891\u7387\u3001\u632f\u5e45\u3001\u76f8\u4f4d\u7b49\u6838\u5fc3\u6570\u636e\uff0c\u968f\u5373\u9a71\u52a8\u4e13\u7528\u6b21\u7ea7\u53d1\u58f0\u8bbe\u5907<\/span>\uff0c\u8f93\u51fa\u4e00\u675f\u9891\u7387\u3001\u632f\u5e45\u5b8c\u5168\u4e00\u81f4\uff0c\u4f46\u76f8\u4f4d\u622a\u7136\u76f8\u53cd\u7684\u53cd\u5411\u58f0\u6ce2\u3002<\/span><\/span><\/span>\n<\/p>\n

\n\t\u4e24\u675f\u58f0\u6ce2\u5728\u7a7a\u4e2d\u7cbe\u51c6\u53e0\u52a0\u5e72\u6d89\uff0c\u76f4\u63a5\u5bf9\u51b2\u62b5\u6d88\u67f4\u6cb9\u673a\u7684\u539f\u59cb\u566a\u97f3\uff0c\u4ece\u6839\u6e90\u4e0a\u5b9e\u73b0\u964d\u566a\u3002<\/span><\/span><\/span>\n<\/p>\n

\n\t\u76f8\u6bd4\u4f20\u7edf\u88ab\u52a8\u964d\u566a\uff0c\u6709\u6e90\u58f0\u97f3\u5bf9\u6d88<\/span><\/span><\/span>\u9488\u5bf9<\/span><\/span><\/span>\u67f4\u6cb9\u673a\u6700\u96be\u5904\u7406\u7684<\/span><\/span>20\u2013500Hz\u4f4e\u9891\u71c3\u70e7\u8109\u52a8\u3001\u6392\u6c14\u8109\u51b2\u566a\u97f3\uff0c\u53ef\u5728\u5173\u952e\u533a\u57df\u5b9e\u73b010\u201320dB\u7684\u6709\u6548\u964d\u566a\uff0c\u8865\u4e0a\u88ab\u52a8\u964d\u566a\u7684\u4f4e\u9891\u77ed\u677f\u3002<\/span><\/span><\/span>\n<\/p>\n

\n\t\u66f4\u5173\u952e\u7684\u662f\uff0c<\/span><\/span><\/span>\u4f7f\u7528\u5728<\/span><\/span><\/span>\u8230\u8247\u6392\u6c14\u7cfb\u7edf\u65f6\uff0c\u65e0\u9700\u590d\u6742\u66f2\u6298\u7684\u6d88\u97f3\u7ba1\u8def\uff0c\u51e0\u4e4e\u4e0d\u4f1a\u4ea7\u751f\u989d\u5916\u6392\u6c14\u80cc\u538b\uff0c\u5728\u964d\u566a\u7684\u540c\u65f6\uff0c\u5b8c\u5168\u4e0d\u727a\u7272\u4e3b\u673a\u52a8\u529b\u6027\u80fd<\/span><\/span><\/span>\u3002<\/span><\/span><\/span>\n<\/p>\n

\n\t\u62a4\u536b\u8230\u8fdc\u822a\u4f5c\u6218\u65f6\uff0c<\/span><\/span><\/span>\u7ecf\u5e38\u53d8\u901f\uff0c\u90a3\u4e48<\/span><\/span><\/span>\u67f4\u6cb9\u673a\u7684\u8f6c\u901f\u3001\u8d1f\u8377<\/span><\/span><\/span>\u4e5f\u4f1a\u53d8\u5316<\/span><\/span><\/span>\uff0c\u566a\u58f0\u9891\u8c31\u4e5f<\/span><\/span><\/span>\u4f1a<\/span><\/span><\/span>\u52a8\u6001\u53d8\u5316\u3002<\/span><\/span><\/span>\n<\/p>\n

\n\t\u4f20\u7edf\u56fa\u5b9a\u53c2\u6570\u7684\u88ab\u52a8\u6d88\u97f3\u8bbe\u5907\uff0c\u964d\u566a\u6548\u679c\u5c31\u4f1a\u5927\u5e45\u7f29\u6c34\u3002\u800c\u6709\u6e90\u5bf9\u6d88\u7cfb\u7edf<\/span><\/span><\/span>\u7684<\/span><\/span><\/span>\u667a\u80fd\u81ea\u9002\u5e94\u7b97\u6cd5<\/span>\uff0c\u80fd\u591f\u4fee\u6b63\u8fd0\u884c\u53c2\u6570\uff0c\u5b9e\u65f6\u8ffd\u8e2a\u566a\u58f0\u53d8\u5316\u3002<\/span><\/span><\/span>\n<\/p>\n

\n\t\u540c\u65f6\u5b83\u65e0\u9700\u5bf9\u6574\u8230\u673a\u8231\u8fdb\u884c\u5927\u89c4\u6a21\u6539\u9020\uff0c\u53ea\u9700\u5728\u9a7e\u9a76\u64cd\u63a7\u53f0\u3001\u8230\u5458\u6267\u52e4\u7ad9\u4f4d\u3001\u6838\u5fc3\u4f5c\u6218\u5de5\u4f4d\u7b49\u5173\u952e\u533a\u57df<\/span><\/span><\/span>\u8bbe\u7f6e<\/span><\/span><\/span>\u4e13\u5c5e\u9759\u97f3\u533a\u3002<\/span><\/span><\/span>\n<\/p>\n

\n\t<\/mpcpc>
\n<\/section>\n

\n\t\u5f53\u7136\uff0c<\/span><\/span><\/span>\u8be5<\/span><\/span><\/span>\u73b0\u9636\u6bb5\u4ecd\u5b58\u5728\u660e\u663e\u7684\u6280\u672f\u5c40\u9650\uff0c\u8fd9\u4e5f\u662f\u5b83\u65e0\u6cd5\u5b8c\u5168\u66ff\u4ee3\u4f20\u7edf\u964d\u566a\u7684\u6838\u5fc3\u539f\u56e0\u3002<\/span><\/span><\/span>\n<\/p>\n

\n\t\"\u56fe\u7247\"
\n<\/section>\n

\n\t<\/span><\/span>\n<\/p>\n

\n\t\n<\/p>\n<\/p>\n

\n\t\u9996\u5148\u662f\u964d\u566a\u8303\u56f4\u6709\u9650\uff0c\u6709\u6e90\u5bf9\u6d88\u7684\u9759\u97f3\u6548\u679c\u4ec5\u96c6\u4e2d\u5728\u4f20\u611f\u5668\u5468\u8fb9\u5c0f\u8303\u56f4\u533a\u57df\uff0c\u5c5e\u4e8e\u5178\u578b\u7684<\/span><\/span>\u201c\u5b9a\u70b9\u9759\u97f3\u201d\uff0c\u8d85\u51fa\u8986\u76d6\u8303\u56f4\u540e\u964d\u566a\u6548\u679c\u76f4\u63a5\u5f52\u96f6\u3002\u62a4\u536b\u8230\u673a\u8231\u58f0\u573a\u590d\u6742\uff0c\u67f4\u6cb9\u673a\u591a\u8bbe\u5907\u540c\u6b65\u53d1\u58f0\u3001\u58f0\u6ce2\u76f8\u4e92\u6df7\u54cd\u53e0\u52a0\uff0c\u6839\u672c\u65e0\u6cd5\u5b9e\u73b0\u5168\u673a\u8231\u5168\u57df\u964d\u566a\uff0c\u53ea\u80fd\u9488\u5bf9\u6027\u4fdd\u62a4\u6838\u5fc3\u4f5c\u6218\u5c97\u4f4d\uff0c\u65e0\u6cd5\u5f7b\u5e95\u6839\u9664\u673a\u8231\u566a\u97f3\u3002<\/span><\/span><\/span>\n<\/p>\n

\n\t\u5176\u6b21\u5b58\u5728\u9891\u6bb5\u77ed\u677f\uff0c\u53d7\u9650\u4e8e\u786c\u4ef6\u8fd0\u7b97\u901f\u5ea6\u548c\u53d1\u58f0\u8bbe\u5907\u6027\u80fd\uff0c\u8be5\u6280\u672f\u4ec5\u5bf9\u4f4e\u9891\u566a\u58f0\u6709\u6548\uff0c\u5bf9\u4e8e<\/span><\/span>1kHz\u4ee5\u4e0a\u7684\u9ad8\u9891\u673a\u68b0\u649e\u51fb\u3001\u6c14\u6d41\u6e4d\u6d41\u566a\u58f0\u5b8c\u5168\u6ca1\u6709\u538b\u5236\u80fd\u529b\u3002\u60f3\u8981\u5b9e\u73b0\u5168\u9891\u6bb5\u964d\u566a\uff0c\u5fc5\u987b\u4e0e\u4f20\u7edf\u5438\u9694\u58f0\u3001\u963b\u5c3c\u5305\u8986\u7b49\u88ab\u52a8\u8bbe\u5907\u642d\u914d\u4f7f\u7528\uff0c\u5355\u4e00\u7cfb\u7edf\u65e0\u6cd5\u5b8c\u6210\u5168\u57df\u964d\u566a\u4efb\u52a1\u3002<\/span><\/span><\/span>\n<\/p>\n

\n\t\u62a4\u536b\u8230\u673a\u8231\u5e38\u5e74\u9ad8\u6e29\u9ad8\u6e7f\u3001\u76d0\u96fe\u8150\u8680\u4e25\u91cd\uff0c\u4f34\u968f\u5168\u5929\u5019\u5f3a\u632f\u52a8\u3001\u6cb9\u6c61\u4fb5\u6270\uff0c\u7684\u58f0\u5b66\u4f20\u611f\u5668\u3001\u63a7\u5236\u7cfb\u7edf\u548c\u53d1\u58f0\u786c\u4ef6\u6210\u672c\u9ad8\u6602\uff0c\u4e14\u957f\u671f\u9ad8\u5f3a\u5ea6\u670d\u5f79\u540e\uff0c\u5bb9\u6613\u51fa\u73b0\u53c2\u6570\u6f02\u79fb\u3001\u4fe1\u53f7\u5931\u771f\u7b49\u95ee\u9898\uff0c\u6781\u7aef\u60c5\u51b5\u4e0b\u8fd8\u4f1a\u4ea7\u751f\u58f0\u6ce2\u81ea\u6fc0\u5578\u53eb\uff0c\u53cd\u800c\u989d\u5916\u589e\u52a0\u566a\u97f3\uff0c\u5e72\u6270\u8231\u5185\u4f5c\u6218\u79e9\u5e8f\u3002<\/span><\/span><\/span>\n<\/p>\n

\n\t\u8fd8\u6709\u4e00\u4e2a\u4e0d\u53ef\u5ffd\u89c6\u7684\u77ed\u677f\uff1a\u6709\u6e90\u58f0\u97f3\u5bf9\u6d88\u53ea\u80fd\u5904\u7406\u7a7a\u6c14\u4e2d\u4f20\u64ad\u7684\u7a7a\u6c14\u566a\u58f0\uff0c\u5bf9\u4e8e\u67f4\u6cb9\u673a\u901a\u8fc7\u57fa\u5ea7\u4f20\u9012\u5230\u8230\u4f53\u7684\u56fa\u4f53\u632f\u52a8\u566a\u58f0\u3001\u7ed3\u6784\u8f90\u5c04\u566a\u58f0\u5b8c\u5168\u65e0\u80fd\u4e3a\u529b\u3002\u800c\u8fd9\u7c7b\u4f4e\u9891\u7ed3\u6784\u566a\u58f0\uff0c\u6b63\u662f\u67f4\u52a8\u529b\u8230\u8247\u8fdc\u8ddd\u79bb\u66b4\u9732\u7684<\/span><\/span><\/span>\u4e3b\u56e0<\/span><\/span><\/span>\uff0c<\/span><\/span><\/span>\u6240\u4ee5<\/span><\/span><\/span>\u5fc5\u987b\u642d\u914d\u4e3b\u52a8\u51cf\u632f\u7cfb\u7edf\u3001\u667a\u80fd\u9694\u632f\u57fa\u5ea7\u7b49\u6280\u672f\u3002<\/span><\/span><\/span>\n<\/p>\n

\n\t\u5c3d\u7ba1\u5b58\u5728\u8bf8\u591a\u5c40\u9650<\/span><\/span><\/span>\uff0c<\/span><\/span><\/span>\u4f46\u5f88\u591a\u519b\u8230\u5f00\u59cb\u91c7\u7528<\/span><\/span><\/span>\uff0c\u5176\u4e2d\u7ba1\u9053\u5f0f\u6709\u6e90\u6d88\u58f0\u6280\u672f\u5e94\u7528\u6700\u5e7f\u3001\u53ef\u9760\u6027\u6700\u9ad8\u3002\u8981\u8bf4\u6700\u5927\u53d7\u76ca\u8005\uff0c<\/span><\/span><\/span>\u5c31\u662f<\/span><\/span><\/span>\u5e38\u89c4\u67f4\u7535\u6f5c\u8247\u3002<\/span><\/span><\/span>\n<\/p>\n

\n\t\u67f4\u7535\u6f5c\u8247\u5728\u6c34\u9762\u901a\u6c14\u7ba1\u822a\u884c\u72b6\u6001\u65f6\uff0c\u67f4\u6cb9\u673a\u6392\u6c14\u4ea7\u751f\u7684\u4f4e\u9891\u7ebf\u8c31\u566a\u58f0\u7279\u5f81<\/span><\/span><\/span>\u660e\u663e<\/span><\/span><\/span>\uff0c\u662f\u654c\u65b9\u88ab\u52a8\u58f0\u5450\u7684\u9996\u8981\u6355\u6349\u76ee\u6807\u3002\u800c\u642d\u8f7d\u7ba1\u9053\u5f0f\u6709\u6e90\u58f0\u97f3\u5bf9\u6d88\u7cfb\u7edf\u540e\uff0c\u53ef\u5bf9\u6f5c\u8247\u6838\u5fc3\u4f4e\u9891\u6392\u6c14\u566a\u58f0\u5b9e\u73b0<\/span><\/span>30dB\u4ee5\u4e0a\u7684\u5f3a\u6548\u538b\u5236\uff0c<\/span><\/span><\/span>\u6d88\u9664\u4e86<\/span><\/span><\/span>\u6807\u5fd7\u6027\u566a\u58f0\u7ebf\u8c31\uff0c\u540c\u65f6\u89c4\u907f\u4e86\u4f20\u7edf\u5927\u578b\u6d88\u97f3\u5668\u4f53\u79ef\u5e9e\u5927\u3001\u635f\u8017\u52a8\u529b\u7684<\/span><\/span><\/span>\u95ee\u9898\uff1b<\/span><\/span><\/span>\n<\/p>\n

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