“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	indicative indicative abstracts indicative conditional indicative plant indicatometer indicator indicator based simulation indicator blank indicator diagram indicator dissociation constant indicator electrode indicator element indicator function indicator function of an event indicator matrix indicator method indicator microorganism indicator of a set indicator of fishing vessels and gears indicator organism indicator organism for atmospheric pollution indicator organism for water pollution indicator plant indicator-rod indicators of groundwater genesis

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