名词
中文翻译：床粗糙度
同义词：
['bed surface roughness', 'bed topography']
例句：
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1.The mattress needs to be replaced because the bed is too rough for comfort.
床垫需要更换，因为床太粗糙，不舒适。
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2.The doctor advised him to sleep on a firmer bed to improve his bed roughness.
医生建议他睡在更硬的床上以改善他的床粗糙度。
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3. The research team focused on measuring the bed roughness of different types of beds.
研究团队专注于测量不同类型床的床粗糙度。