名词
中文翻译：海底重力仪
同义词：
['sea floor gravimeter', 'seabed gravimeter']
例句：
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1.The sea-floor gravimeter is used to measure the density of the ocean floor.
海底重力仪用于测量海洋底部的密度。
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2. The sea-floor gravimeter was developed to help scientists better understand the Earth's crust.
海底重力仪被开发出来，帮助科学家更好地了解地球的地壳。
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3. The sea-floor gravimeter has been used to study the movement of tectonic plates beneath the ocean.
海底重力仪被用来研究洋底板块的运动。