“national chemical measurement standard”的概念、定义、翻译、参考文献-科学参考

单词	national chemical measurement standard
释义	national chemical measurement standard Encyclopedia 工学〔化学计量基本概念〕释 national chemical measurement standard国家化学计量标准由国家计量行政部门考核、批准，具有确定的量值或量值范围和相关联的不确定度，用于实现化学成分量、物理化学特性量等的单位或量值，检定或校准其他化学计量标准或工作计量器具，对社会实施计量监督并具有公正作用的一类国家计量标准。
随便看	The Unbearable Lightness of Being The Uncertainty of Hope the underglaze blue and copper-red pavilion-style porcelain granary of the Yuan Dynasty in Fengcheng City The Underground, or a Hero of Our Time The Unfinished Chess Game The Unfortunate Traveller, Or, The Life of Jack Wilton The Unicorn Purse the unified data structure of vector-raster the unified theory of mire development the unify of motive and effect The Union Catalogue of Chinese Local Records The Union Magazine the union of five families which are responsible for each other the united front for democracy The United Kingdom of Great Britain and North Ireland The United Kingdom Sports Law The United Nations Commission on International Trade Law Model Law on Electronic Commerce The United Nations Convention to Combat Desertification The United Nations Counter-Terrorism Centre the United Nations Development Programme The United Nations Office of Counter-Terrorism the United Nations Sustainable Development Goals The United Nations' World Conference on Women The United Nations World Food Programme The United States Amateur Sports Act

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