“密度计量”的概念、定义、翻译、参考文献-科学参考

单词	密度计量
释义	密度计量 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	mountain hazards mountain house Mountain in a Haze mountain landscape mountain marathon Mountain meadow soil mountain mists mountain onion mountainous human settlement mountainous human settlements culture mountainous region hydrology mountain pass lemma Mountain Rain Mountain Rain at Eventide mountain range Mountain Resort Mountain Resort and its Outlying Temples,Chengde World Culture Heritage mountain-river-lake concept model mountain-river-lake-sea interaction model mountains Mountains After Snow by Dong Qichang Mountains and Rivers without End mountain search & rescue Mountain shrubby steppe soil mountain sickness

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。