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

单词	national standard
释义	national standard Encyclopedia 工学电力工业释 national standard国家标准由国家的官方标准化机构或政府授权的有关机构批准、发布，在全国范围内统一适用的标准。它是标准的一个级别。
随便看	traceless tensor trace level trace line trace mapping trace method trace minerals in coal Trace Model of word recognition trace norm trace of a commutator trace of a form trace of a function trace of a line trace of a linear transformation trace of a mapping trace of a matrix trace of an algebraic element trace of an algebra of sets trace of an ideal trace of an operator trace of a square matrix trace of a tensor trace of endomorphism trace of impurities trace [of matrix] trace of matrix

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。