“Guidebook for Clerks”的概念、定义、翻译、参考文献-科学参考

单词	Guidebook for Clerks
释义	Guidebook for Clerks Encyclopedia 历史学[史料史籍与文献]释 Guidebook for Clerks《吏学指南》元代吏员手册。全称《习吏幼学指南》。徐元瑞撰。据该书“序”，撰于元成宗大德五年（1301）。
随便看	constant prime constant probability constant problem constant progression constant propagation constant quantity constant random variable constant rank constant-rank mapping constant-rank morphism constant-ratio head constant region constant release constant sale books constant sheaf constant species constant specific mass flow pattern constant speed constant frequency constant speed drive unit constant-speed mercury intrusion constant speed motor/generator constant stratum constant stress test constant sum game constant-sum game

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。