\u53d1\u5c04\u5668\u3001\u63a5\u6536\u5668\u6216\u53d1\u5c04\u5668\/\u63a5\u6536\u5668\u5355\u5143\uff08\u73af\u5883\u5916\u58f3\uff09
\n25 kHz\u300140 kHz \u548c 300 kHz \u4fe1\u53f7\u9891\u7387<\/p>\n
\u6211\u4eec\u7684\u7a7a\u6c14\u4f20\u611f\u5668\u5e94\u7528\u7531\u538b\u7535\u9676\u74f7\u5143\u4ef6<\/a>\u7ec4\u6210\uff0c\u5b89\u88c5\u5728\u94dd\u3001\u5851\u6599\u6216\u73af\u5883\uff08\u5bc6\u5c01\uff09\u5916\u58f3\u4e2d\u3002\u8fd9\u4e9b\u538b\u7535<\/a>\u4f20\u611f\u5668\u63d0\u4f9b\u9ad8\u7075\u654f\u5ea6\u3001\u51fa\u8272\u7684\u58f0\u538b\u7ea7 \uff08SPL\uff09 \u4ee5\u53ca\u7a33\u5b9a\u7684\u7535\u6c14\u548c\u673a\u68b0\u7279\u6027\uff0c\u53ef\u9009\u62e9\u5e26\u5bbd\u5e76\u5728\u9891\u7387\u548c\u632f\u5e45\u4e0a\u53d8\u5316\u3002\u73af\u5883\u4f20\u611f\u5668\u53ef\u4ee5\u540c\u65f6\u5145\u5f53\u53d1\u5c04\u5668\u548c\u63a5\u6536\u5668;\u6216\u5355\u72ec\u7684\u53d1\u5c04\u5668\u6216\u63a5\u6536\u5668\u3002<\/p>\n
<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n
\u6211\u4eec\u53ef\u4ee5\u6839\u636e\u72ec\u7279\u7684\u8981\u6c42\u548c\u7535\u6c14\u7279\u6027\u5b9a\u5236\u8bbe\u8ba1\u7a7a\u6c14\u4f20\u611f\u5668\u3002<\/p>\n
APC \u63d0\u4f9b\u8d85\u58f0\u6ce2\u7a7a\u6c14\u4f20\u611f\u5668\u6a21\u5757 \uff08Cat# 10-3300\uff09\uff0c\u4e0e\u6211\u4eec\u7684\u6807\u51c6 300 kHz \u7a7a\u6c14\u4f20\u611f\u5668 \uff08Cat# 10-3310\uff09 \u7ed3\u5408\u4f7f\u7528\u3002APC \u7684\u7a7a\u6c14\u4f20\u611f\u5668\u6a21\u5757\u53ef\u7528\u4e8e\u77ed\u8ddd\u79bb\u6d4b\u91cf\u3001\u8fd1\u8ddd\u79bb\u7269\u4f53\u68c0\u6d4b\u548c\u6db2\u4f4d\u4f20\u611f\u3002\u6709\u5173\u66f4\u591a\u8be6\u7ec6\u4fe1\u606f\uff0c\u8bf7\u67e5\u770b\u4ea7\u54c1\u89c4\u683c\u8868\u3002<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n