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。
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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