“three-level preservation System”的概念、定义、翻译、参考文献-科学参考

单词	three-level preservation System
释义	three-level preservation System Encyclopedia 管理学三线典藏制释 three-level preservation System三线典藏制图书馆按照馆藏文献利用率高低及新旧程度，结合服务方式，将馆藏资源依次划分为三个层次，组成一、二、三线书库的藏书布局方法。
随便看	information maintenance of civil engineering information management information management of civil engineering information management of construction project information management of system equipment information management of track equipment information management of underground space information management of urban rail transit information management of urban rail transit facilities and equipments information management of vehicle equipment information management system information management system, IMS information management system of nature reserve information management systems of soil and water conservation information manipulation theory information map information market information marketing information matrix information measure information measures of imagery information metamaterials information methodology information mining information misconduct

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。