1) beat frequency meter
差频频率计
2) differential frequency meter
频率差计
1.
Discussion about the principle of differential frequency meter;
频率差计基本原理的探讨
3) differential frequency meter
差式频率计
4) heterodyne frequency meter
外差频率计
5) frequency deviation meter
频率编差计
6) heterodyne frequency meter
超外差频率计
补充资料：频率计量(见时间频率计量)
频率计量(见时间频率计量)
frequency metrology: see time and frequency metrology
口n IQ liliang顷率频率计皿(f比quency metrolo盯) 计t。见时闰
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条