“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	SGR Sgr Sgr A* S-graph SGRIN S-group SGT S.G.Vasudev SG算法 SH Shaaban Robert Shaanbei College Shaanxi Shaanxi Acient Civilization Shaanxi and Gansu Hui People’s Uprisings Shaanxi Art Research Academy Shaanxi-Beijing Natural Gas Pipeline Shaanxi Branch Secretariat Shaanxi Changqing National Nature Reserve Shaanxi Coal and Chemical Industry Group Shaanxi Duangong opera Shaanxi Foping National Nature Reserve Shaanxi, Gansu and Ningxia Border Area Bank Shaanxi, Gansu and Ning-xia Border Area Government Shaanxi-Gansu-Ningxia Border Region Cultural Association

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