“user class of service”概念、定义、翻译-科学时代

单词	user class of service
释义	图书馆、情报与文献学词汇手册 user class of service 用户服务级别
随便看	bundle of habit bundle of legal rights bundle of lines bundle-of-rights theory bundle of streamline bundle power bundle pricing bundle pricing bundler bundle rafting bundle scar bundle sheath bundle sheath bundle strength bundle theory of the mind bundline bundling bundling bundling bundling bundling bundling bundling bundling cradle bundling press

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。