“density metrology”的概念、定义、翻译、参考文献-科学参考

单词	density metrology
释义	density metrology Encyclopedia 工学密度计量释 density metrology密度计量对密度这一物理量所开展的计量活动。密度是表征物质内在特性的一个物理量，表示单位体积中所含有物质的质量，国际单位制中的单位为千克/米3。
随便看	individualized family service plan individualized medicine Individualized Transition Plan individual labour and social labour individual learner factors individual learning individual legal consciousness individual-level predicate individual linear operator individual longevity of population individually packing room individually rational configuration individual mass transfer coefficient individual medley individual medley of Summer Paralympics individual medley of Summer Special Olympics individual mind individual modernity individual monitoring individual move individual noise protection individual observation individual oil-driven type steam distributing gear individual ownership individual parameter

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