“frequency reference signal”概念、定义、翻译-科学时代

单词	frequency reference signal
释义	航空航天词汇手册 frequency reference signal 标准频率信号
随便看	timelike event timelike interval timelike vector time limit time limit time limit time-limit attachment time-limit breaker time limit for filing claims time limit of a course time limit of service time limit of shipment arrival time limit on certain defenses time limit psychotherapy time-limit relay timeline timeline analysis timeliness timeliness timeliness goal time loan time loan time loan time loan secured time loan secured

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。

frequency reference signal