“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	space flight space flight breeding space flight crew selection space flight environment Space Flyer Unit space food space food safety space form space form problem space geodesy space geodynamics space geometry space grating space grating device space gravitational physiology Space Ground Station space group space group extinction space-group maximum space harmonic space harmonics Space headway space heavy ion space height of boiler steam space hierarchy theorem

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。