名词
中文翻译：导航回声测深仪同义词
同义词：
['echo sounding system', 'echo sounder', 'echosounder']
例句：
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1. The navigational echo sounder is used to measure the depth of the seabed.
导航回声测深仪用于测量海床的深度。
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2. The company's new navigational echo sounder has improved accuracy and reliability.
该公司的新型导航回声测深仪提高了准确性和可靠性。
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3. The navigational echo sounder is a crucial tool for oceanographic research.
导航回声测深仪是海洋科学研究的关键工具。