这些结果可能为蝉科分类和蝉的声通讯研究提供某些参考。

These results may provide some taxonomical information for the Family Cicadidae and reveal the means of the sound communication in cicadas.

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声力电话及内部通讯系统使得火控官可以和分散在各舱室的全体组员通话。

Sound-powered telephones and interior communications systems make it possible for a control officer to talk to whole groups of men at many stations.

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本文介绍了水下声传输数据通讯的原理、功能作用及关键技术研究。

The theory, function, feature, and key technology points of data communicator using underwater acoustic transmission are introduced in this paper.

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