“industry classification system”的概念、定义、翻译、参考文献-科学参考

单词	industry classification system
释义	industry classification system Encyclopedia 管理学行业分类体系释 industry classification system行业分类体系以产业活动单位和法人单位作为划分对象，根据经济活动的性质而形成的等级式分类体系。
随便看	number pyramid number ray number representation number representation system number ring numbers number scale number scheme number series number sign Numbers of personal days number space numbers prime to one another number square number state number symbol number symbolism number system number-theoretic number-theoretical number-theoretic character number-theoretic difference set number-theoretic formula number theoretic function number-theoretic function

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。