Terms containing frequency reference

Subject	English	Chinese
mil., air.def.	airborne frequency reference	飞机基准频率
telecom.	atomic frequency reference	原子基准频率
telecom.	frequency reference	参考频率
telecom.	frequency reference	基淮频率
tech.	frequency reference	基准频率
el.	frequency reference number	频率基准号
space	frequency reference receiver	频标接收机
space	frequency reference signal	基准频率信号
avia.	frequency reference unit	频率基准装置
space	low-noise frequency reference	低噪声频率基准
hydroel.st.	power frequency reference voltage of arrester	避雷器工频参考电压
el.	rubidium vapor frequency reference	铷蒸汽频率基准