“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	realification realification character group realification projective space real image real individuals real integration real interest rate real interpolation space Realism realism realism art realis mood real isomorphism Realistic art realistic criticism realistic drama Realistic Environment Theater Realistic Fiction of Life School realistic image synthesis realistic information user realistic lighting realistic nuclear force realistic rendering Realistic Stage Setting by Liu Huiji’s Female Opera Troupe realist school of law

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