“国家化学计量基准”的概念、定义、翻译、参考文献-科学参考

单词	国家化学计量基准
释义	国家化学计量基准 Encyclopedia 工学〔化学计量基本概念〕释 national primary measurement standard in chemistry国家化学计量基准由一套特定的测量装置、参考测量程序等组成，用于在化学测量领域内定义、实现、保存、复现测量单位或一个、多个、一定范围的量值，并经国家鉴定、批准作为统一全国量值的最高依据。
随便看	system of conservation laws system of constitutional guarantee system of convergence system of coordinate system of coordinate neighborhoods system of coordinates system of coplanar forces system of coset representatives system of couples system of curves system of dependent functions system of differential equations system of differential operators system of Diophantine equations system of disease prevention and control system of distribution system of economic contracts system of educational evaluation system of elastodynamics system of elderly care service system of election and appointment system of elements system of elliptic equations system of elliptic partial differential equations system of environmental and economic accounting

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。