“on-off control”概念、定义、翻译-科学时代

单词	on-off control
释义	化工词汇手册 on-off control 开关控制，两位控制
随便看	permanent river permanent rotation permanent sample plot permanent service permanent set permanent set permanent set permanent set permanent set permanent snow line permanent sovereignty permanent staff permanent staff permanent staffing level permanent standard cost permanent state forest permanent stock company permanent strain permanent strain permanent supplementary artificial lighting permanent supplementary artificial lighting (PSAL) permanent surrender of quota permanent teacher permanent team permanent thermocline

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。