超声波速度测量：supersonic velocity measurement 超声波回声测深仪：supersonic echo sounder ..
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The responding signal of the receiving transducer under inspiring by the input supersonic and its reflection wave in experiment of sound velocity measurement is analyzed.
对声速测定(超声)实验中接收换能器在入射波和反射波激励下，换能器的响应信号进行了分析。
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