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1·With kernel medium model, sound propagation characteristic in grain is studied.

从颗粒介质模型出发，对粮食中声传播性质进行了研究。

2·Sea surface and bottom constituted sound propagation environment of the neritic acoustic duct field.

海面与海底构成了声源浅海海域波导场的声传播环境。

3·The proper sound propagation model is the basis of transfer function prediction of underwater acoustical channel.

合适的水声传播模型是水下声信道传递函数预报的基础。

4·A computational aeroacoustics approach is applied to studying sound propagation in subsonic and supersonic nozzle.

采用计算气动声学方法研究了管道近音速区的声传播和声波与激波的相互作用问题。

5·Sonar is a technique that USES sound propagation (usually underwater) to navigate, communicate or to detect other vessels.

声纳一种利用水下声音传播来导航，联络或侦查其他船只的技术。

6·Use finite element and infinite element technology, and unified method to simulate flow noise, vibration noise and sound propagation.

采用有限元和无限元技术，用统一的方法模拟流动噪声、振动噪声及声传播问题。

7·The understanding of the theory of fluids including sound propagation through them made little progress from the Greeks to the Renaissance.

从希腊到文艺复兴时期，对流体理论的理解，包括声音是如何通过流体传播的，并没有多大的进展。

8·The paper discusses noise reduction in technical structures by means of systematically manipulating structure borne sound propagation.

本文研究了借助于系统地调控结构声传播性态以达到降低工程结构噪声目标的方法。

9·Computational criteria used to judge the correctness of numerical calculation for sound propagation in ducts, are presented in the paper.

本文对管道声传播数值计算提出了一组判据，用来衡量数值计算的可靠性；

10·Ray model is one of the conventional sound propagation models, which can be used to model the sound propagation in the irregular ocean environment.

射线模型是比较常见的传播模型之一，可以用于不规则海域声传播建模。