名词中文翻译
中文翻译：扩张系数
同义词：
['扩张率，膨胀系数例句：1. The expansion coefficient of the material is very important for its performance.（该材料的膨胀系数对其性能至关重要。）']
例句：
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1. The expansion coefficient of the material is very important for its performance.
该材料的膨胀系数对其性能至关重要。
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2.The coefficient of thermal expansion is a measure of how much the material expands or contracts when heated or cooled.
热膨胀系数是衡量材料在加热或冷却时膨胀或收缩程度的指标。
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3. The coefficient of friction between the two surfaces is crucial in determining their relative movement.
两个表面之间的摩擦系数对于确定它们的相对运动至关重要。