名词
中文翻译：底部扫描声纳
同义词：
['bottom-scanning sonar', 'bottom-scanning sonar system', 'bottom-scanning sonar transducer']
例句：
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1. The bottom scanning sonar was used to detect underwater objects.
底部扫描声纳用于探测水下物体。
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2. The bottom scanning sonar system is capable of detecting objects at great depths.
底部扫描声纳系统能够探测到深水中的物体。
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3. The bottom scanning sonar transducer is a crucial component in the detection system.
底部扫描声纳换能器是检测系统中的关键部件。