名词
中文翻译：每单位功率的重量
同义词：
['weight per unit of power', 'weight perunit of energy']
例句：
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1.The weight of the material is directly proportionalto its density.
材料的密度与其重量成正比。
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2.The weight per unit power of this machineis very high.
这台机器的单位功率重量非常高。
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3. The weight per unit powerof the new design is significantly reduced.
新设计单位功率的重量显著降低。