“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	folio folio folio (fol.) foliole foliole folio of ledger folio of ledger folio reference foliose foliose lichen folium folium folium folium aloe Folium Isatidis folium of vermis Folium Rhododendri mariae folivore folivore folk folk art folk art folk art folk audit folk biology

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。