the research of light-weight
轻量化的研究
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The motivation for the research and development of fuel cells is mainly related to their potentially light weight, low volume, and high efficiency of energy conversion, etc.
燃料电池研究与开发的原因主要在于其质量轻、体积小、能量转换效率高等。
youdao
The research team built a light-weight model of the animal.
VOA: special.2010.03.16
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模块上移
模块下移
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