“开关”概念、定义、翻译-科学时代

单词	开关
释义	动力与电气工程词汇手册开关 switch
随便看	picture frame picture frame picture-frame stage picture frequency picture frequency picture gallery picture glass picture image picture information picture information picture in picture (PIP) picture in picture（PIP） picture intelligence picture interference picture-in-（a-）picture picture jacket picture layer picture magazine picture magazine picture method picture noise picture page picture pair picture phone picture point

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。