“directory search engine”的概念、定义、翻译、参考文献-科学参考

单词	directory search engine
释义	directory search engine Encyclopedia 管理学目录型搜索引擎释 directory search engine目录型搜索引擎以人工方式或半自动方式搜集信息资源，由编辑人员对信息资源进行分门别类，并放置到事先确定的、具有层级关系的类目体系中形成的检索系统。又称网络资源指南。
随便看	mathematical periodicals mathematical physic mathematical physics Mathematical Population Theories Mathematical Principles of Natural Philosophy mathematical probability mathematical problem mathematical procedure mathematical program mathematical programing method Mathematical programming mathematical programming mathematical programming problem mathematical psychology mathematical result mathematical rigor mathematical sciences mathematical semantics mathematical sign mathematical simulation mathematical sociology mathematical software mathematical statistics mathematical structure mathematical structure of quantum mechanics

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。