名词
中文翻译：质量
同义词：
['mass-to-distance product', 'mass-to-length product']
例句：
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1. The engineer calculated the mass-distance product of the spacecraft to optimize its performance.
工程师计算了航天器的质心距，以优化其性能。
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2.The team used the mass-distance product to predict where the earthquake would hit.
团队利用质心距预测了地震的震中位置。
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3. The study found that the mass-distance product had a significant impact on the stability of the structure.
研究发现，质心距对结构的稳定性有显著影响。