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1
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1
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2
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3
锛夎妭鑳藉寲銆傛澗涓嬪叕鍙稿皢鍙橀鎶�鏈簲鐢ㄤ簬寰尝鐐夋帹鍑虹殑鍙橀寰尝鐐変骇鍝侊紝閫氳繃灏嗗競
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50Hz
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20000~45000Hz
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4
锛夊仴搴峰寲銆傞殢鐫�浜轰滑鍋ュ悍鐜繚鎰忚瘑鐨勫寮猴紝瀵逛簬椋熷搧涓儹閲忕殑闄愬埗涔熸剤鍔犻噸瑙嗐�?/p>
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5
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1
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