声学量度 acoustic measurement
声能量密度 sound energy density
声强度测量器 acoustimeter
噪声当量温度差 NETD ; noise equivalent temperature difference
声学密度定量技术 Acoustic densitometory ; acquisition densitometry
超声波速度测量 supersonic velocity measurement
噪声等效通量密度 noise equivalent flux density
声学密度定量 acoustic densitometry ; densitometry ; acquisition densitometry
立体声失真度测量仪 stereo distortedness measuring meter
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