“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	resource coordinate scheduling resource crisis resource crisis management resource curse resource curse hypothesis resource curse thesis resource dependence Resource Dependence Theory resource depletion Resource Description and Access，RDA resource description framework resource description framework data management resource description framework, RDF resource development resource development and utilization management resource development benefits resource development early warning resource development elements resource development investment resource development risk control resource development risk management resource development risk retention resource discovery resource discovery service resource distribution

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