名词
中文翻译：机械等效
同义词：
['mechanical equivalent', 'mechanically equivalent', 'mechanically equivalent value']
例句：
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1. The engineer used a computer program to calculate the mechanical equivalent of the material.
工程师使用计算机程序计算材料的机械等价值。
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2. The new design uses a more efficient machine to achieve the same mechanical equivalent as the old one.
新设计使用了更高效的机器，以实现与旧设备相同的机械等价效果。
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3. The researchers found that the mechanical equivalent of the material could be reduced by 20% through optimization.
研究人员发现，通过优化，该材料的机械等价值可以减少20%。