名词
中文翻译：等效表面
同义词：
['equivalent area', 'equivalent cross-sectional area']
例句：
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1. The engineer calculated the equivalent surface of the beam to be 20 square meters.
工程师计算了梁的等效表面积为20平方米。
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2.The team's performance on the field was equivalent to that of their best players.
该队在场上的表现与他们最好的球员相当。
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3. The new design has an equivalent surface area of 500 square meters.
新设计的表面积为500平方米。