... （水发出的声音） sound of water: 水声测量 underwater acoustic measurement; 水声测位仪 sonar; ...
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Sound pulse technique is often used in the underwater acoustic measurement, but it has transients, so it can not be used in low frequencies.
脉冲声技术是一种很常用的水声测量技术，但由于脉冲声存在着瞬态过程，严重影响了它在低频下的使用。
A standing wave tube measurement system is presented for measuring low frequency acoustic properties of underwater acoustic materials.
介绍一种用于水声材料低频声性能测量的驻波管测试系统。
In underwater acoustic engineering, improving precision of acoustic measurement for materials in free-field is very important in design of acoustic stealthy of underwater vehicle.
水声工程中，改善和提高自由场材料声学测试精度和可靠程度对水下航行器的声隐身设计具有非常重要的工程应用价值和现实意义。
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