名词
中文翻译：浮心
同义词：
['buoyancy center', 'buoyant center']
例句：
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1. Theboat's center of buoyancy is at the bottom of the water.
船的浮心在水底。
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2. Theweight of the object will be balanced byits center of buoyancy.
物体的重量将由其浮心平衡。
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3. Theship's center of buoyancy is determined by the density of thewater.
船的浮心由水的密度决定。