“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	heavy diesel fuel heavy distillate heavy duty coating heavy duty diesel engine heavy-duty maintenance machinery heavy electron heavy element heavy element star heavy fermion heavy fermion materials heavy fermion superconductor heavy fermion superconductors heavy [fission] fragment heavy fission fragment heavy flavor physics heavy forgings heavy fraction of soil matter heavy fragment heavy fuel heavy grazing heavy grinding heavy haul operations heavy-haul railway heavy-haul railway station and terminal heavy-haul railway terminal

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。