“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	system of teacher education system of teacher engagement system of testing and appointment system of the discipline inspection and supervision System of the Historiography Institute system of the palace library system of the pollution accident reporting and its handling system of the provisional central government of the Soviet Republic of China system of the upper and lower garment system of three-time proofreading and once through reading system of total differential equations system of township and precinct System of Transcendental Idealism system of transitivity system of treatment within a prescribed time limit system of trilinear coordinates system of unified and fixed state purchase system of units system of units, unit system System of Value Theory system of variational equations system of vectors system of visco-elastodynamics system of viscoelastodynamics system on a chip

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