“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	polar prominence polar quadric polar quadrilateral polar radius polar ray polar reciprocal polar reciprocal body polar reciprocal convex body polar reciprocation polar region polar representation polar resource exploration and development polar-ring galaxy polar robot polar satellite polar scope polar semi-diameter polarsensitive polar sequence polar set polar shift polar simplex polar sine polar singularity polar solar wind

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