名词短语
中文翻译：底部安装声纳
同义词：
['底部安装声纳，底部安装声波探测器']
例句：
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1.The bottom mounted sonar was used to detect underwater objects.
底部安装声纳用于探测水下物体。
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2. The sonar system is designed to provide real-time information about the seabed.
声纳系统旨在提供关于海底的实时信息。
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3. The bottom mounted sonar helped us locate the lost treasure ship.
底部安装声纳帮助我们找到了失事的宝船。