“specific gravity”的概念、定义、翻译、参考文献-科学参考

单词	specific gravity
释义	specific gravity Encyclopedia 理学力学释 specific gravity比重物质的密度与标准物质的密度之比。又称相对密度。理学土质学释 specific gravity比重物质的密度与标准物质的密度之比。又称相对密度。 Physics 力学 specific gravity, specific weight比重 specific gravity比重^† Astronomy specific gravity比重
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