“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	lighting fitting lighting installation lighting layout lighting load lighting load lighting man lighting method of unit capacity lighting network lighting-off lighting of tree lighting of waterscape engineering lighting order lighting power lighting power lighting power lighting rehearsal lighting switch lighting system lighting test lighting-tower lighting tower fire vehicle lighting unit lighting voltage light ink light integrator

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。