名词中文翻译
中文翻译：轻量指数
同义词：
['lightness ratio', 'weight-to-volume ratio']
例句：
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1. The engineer calculatedthe lightness index of the new design to determine its efficiency.
工程师计算了新设计的轻量指数，以确定其效率。
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2. The company is looking into ways to improve the lightness index of their products to increase market competitiveness.
该公司正在研究提高产品轻量指数的方法，以提高市场竞争力。
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3. The researcher found that increasing the lightness index of a material could lead to better performance in certain applications.
研究者发现，提高材料的轻量指数可以在特定应用中带来更好的性能。