“primary standard machine of vickers hardness”的概念、定义、翻译、参考文献-科学参考

单词	primary standard machine of vickers hardness
释义	primary standard machine of vickers hardness Encyclopedia 工学硬度计量技术释 primary standard machine of vickers hardness维氏硬度基准装置用来复现和保存维氏硬度量值单位，用作统一中国维氏硬度值的最高依据的装置。由中国计量行政部门批准建立。
随便看	Global Navigation Satellite System global navigation satellite system global navigation satellite system buoy global navigation satellite system for upper-air and wind sounding global navigation satellite system, GLONASS Global Navigation Satellite System receiver global navigation satellite system terminal global navigation satellite system terminal, GNSS terminal global necessary condition global nitrogen cycle Global Ocean Ecosystem Dynamics Global Ocean Observing System global operation global optimal solution global optimization global optimization algorithm global optimum global order global oscillation Global Oscillation Network Group Global Partnership for Education global phosphorus cycle global physical geography global plate tectonics Global Positioning System

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