“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	concrete batching station concrete beam concrete block concrete box girder of railway bridge concrete bridge concrete bridge erection concrete bridge fabrication concrete buttress dam concrete category concrete class concrete cleaning recycling station concrete coating concrete column concrete concept concrete construction concrete cutting machine concrete dam concrete diaphragm wall concrete dissolution product concrete engineering construction concrete equivalence concrete estimate concrete estimate region concrete fabric rod concrete faced rockfill dam

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