以舰艇声纳导流罩为研究工程背景,本文的主要研究工作是对健康完整和含层间分层损伤复合材料结构的振动特性和声学特性的分析探讨上。
Aiming at the sonar dome in submarines, this thesis mainly addresses the vibration and acoustic characteristics of intact and delamination-damaged structures of composite materials.
法院的决定保障了海军舰艇测试潜水艇搜寻声纳系统的权利,强大的声音脉搏已被连接到多个大型鲸鱼搁浅区。
The Court's decision protected the right of naval vessels to test submarine-hunting sonar systems, whose intense sound pulses have been linked to several mass whale strandings.
法院的决定保障了海军舰艇测试潜水艇搜寻声纳系统的权利,强大的声音脉搏已被连接到多个大型鲸鱼搁浅区。
S. Navy v. Whales. The Court's decision protected the right of naval vessels to test submarine-hunting sonar systems, whose intense sound pulses have been linked to several mass whale strandings.
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