“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	surrelaxation surrelaxation method Surrender Ceremony in Nanjing surrender risk Surrogacy surrogate surrogate endpoint surrogate fuel surrogate loss consistency surrogate model surrogate mother surrogate pattern surrogate programming surrogate reference material surrogates of chlorofluorocarbons surrogates of chlorofluorocarbons (SCFCS) surrogate succession surrosion Surrounded the Abdin Palace surrounder surround exposure surround film sound multichannel reproduction mode surrounding surrounding gillnet fishing surrounding manifold

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