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1.0mm\u9488\u5f0f\u6c34\u542c\u5668\u662fPrecision Acoustics<\/a>\u751f\u4ea7\u7684\u4e00\u7cfb\u5217\u9488\u5f0f\u6c34\u542c\u5668\u4e4b\u4e00\u3002\u5b83\u8bbe\u8ba1\u7528\u4e8e\u4e0e\u6f5c\u6c34\u5668\u524d\u7f6e\u653e\u5927\u5668\u548c\u5e26\u7535\u6e90\u7684\u76f4\u6d41\u8026\u5408\u5668\u7ed3\u5408\u4f7f\u7528\uff0c\u4ee5\u5f62\u6210\u6c34\u542c\u5668\u7cfb\u7edf\u3002\u5f53\u672c\u6570\u636e\u8868\u4e2d\u672a\u62a5\u544a\u4efb\u4f55\u6027\u80fd\u65f6\uff0c\u5b83\u4eec\u662f\u6307\u5305\u542b1.0mm\u9488\u5f62\u6c34\u542c\u5668<\/a>\u3001\u524d\u7f6e\u653e\u5927\u5668\u548c\u76f4\u6d41\u8026\u5408\u5668\u7684\u6c34\u542c\u5668\u7cfb\u7edf\u7684\u6027\u80fd\u3002\u6c34\u542c\u5668\u6709\u6e90\u5143\u4ef6\u7684\u5c3a\u5bf8\u5f71\u54cd\u8bb8\u591a\u7279\u6027\uff0c\u5305\u62ec\u7075\u654f\u5ea6\u3001\u9891\u7387\u54cd\u5e94\u3001\u65b9\u5411\u54cd\u5e94\u3001\u52a8\u6001\u8303\u56f4\u548c\u566a\u58f0\u7b49\u6548\u538b\u529b\u3002\u672c\u6280\u672f\u6570\u636e\u8868\u6839\u636eIEC 62127\u7b2c3\u90e8\u5206[3]\u7f16\u5236\uff0c\u63d0\u4f9b\u4e861.0mm\u9488\u5f0f\u6c34\u542c\u5668\u7cfb\u7edf\u7684\u8be6\u7ec6\u89c4\u8303\u30021.0mm\u9488\u5f0f\u6c34\u542c\u5668\u662f\u4e00\u79cd\u9ad8\u7075\u654f\u5ea6\u8bbe\u5907\uff0c\u9488\u5bf90.5MHz\u81f310MHz\u8303\u56f4\u5185\u7684\u5e94\u7528\u8fdb\u884c\u4e86\u4f18\u5316<\/p>\n