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

单词	national primary standard for primary chemical purity
释义	national primary standard for primary chemical purity Encyclopedia 工学化学成分量计量释 national primary standard for primary chemical purity基准试剂纯度国家计量基准通过恒电流精密库仑滴定法测定容量分析用基准试剂纯度的国家计量基准。
随便看	class number class-number conjecture class-number formula class number of a rational simple algebra class of a lattice class of a lattice group class of algebraic systems class of algebras class of crystals class of curves class of differentiability class of divisors class of elements class of events class of fields class of functionals class of functions class of groups class of ideals class of interactive polynomial time class of interactive polynomial time, IP class of lattices class of manifolds class of mappings class of matrices

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