1) frequency-controllable
频率调控
2) frequencycontrol dimming
频率控制调光
3) regulation of frequncy allocation
频率分配的调控
4) fine tuning control
频率细调控制
5) frequency manual adjustment
手控频率调整
6) frequency self-controlled voltage-variable speed-variable system
自控频率调压调速
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