“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	electrical resistance thermometer electrical resistance thermometer material electrical resistance welding (ERW) electrical resistivity electrical resistivity electrical resistivity electrical resistivity electrical screening electrical sheet electrical shock electrical signal electrical sounding electrical spring electrical stimulus electrical storage device electrical stunning electrical survey electrical survey electrical suspended gyroscope electrical suspended gyroscope--electrical suspended gyroscope（ESG） electrical suspended gyroscope（ESG） electrical system electrical thermal alloy electrical transcription electrical transcription

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。