“常用词”的概念、定义、翻译、参考文献-科学参考

单词	常用词
释义	常用词 Encyclopedia 文学词汇释 everyday expression常用词人们在社会活动中经常使用的词。其特点是使用频率高和运用范围广。常用词既可以是基本词汇中的词，也可以是一般词汇中的词。
随便看	convex convex algebra convex analysis convex angle convex arc convex body convex-body theorem convex broken line convex cell convex circled set convex closed curve convex closed set convex closure convex closure of a saddle function convex closure of a saddle-function convex closure of saddle function convex combination convex-compact mapping convex-complex space convex-concave convex concave function convex-concave function convex-concave mapping convex cone convex constraint condition

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。