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- twice frequency oscillator 双频振荡器
- VFO? Variable Frequency Oscillator? 可变频率振荡器，变频振荡器?
- VFO? Voice Frequency Oscillator? 音频振荡器?
- twice horizontal frequency oscillator 双行频振荡器
- The broad-band signal demodulated into base-band signal with receiver by twice frequency conversion and down convertion of DDC orthogonal digital and got the orthogonal signals. 接收端经两次频率转换和中频采样与 DDC 正交数字下变频,把带宽信号解调到基带信号,得到相互正交信号。
- intermediate frequency oscillator 中频振荡器
- Quartz-Crystal Frequency Oscillator 石英晶体频率振荡器
- quartz crystal frequency oscillator 石英晶体频率振荡器
- In audio, a very low frequency oscillation often resulting from a positive feedback path in an amplifier system. 在音响设备中出现的振荡频率极低的低频振荡，常因放大系统的正反馈回路引起。
- Universal Radio Frequency Oscillator 通用无线电频率振荡器
- The flight to Accra goes twice a week. 飞往阿克拉的班机一星期开两班。
- We should brush our teeth at least twice a day. 我们每天应该至少刷两次牙。
- twice-horizontal frequency oscillator 水平双频振荡器
- I am more than twice as old as he. 我的年龄是他的两倍还不止。
- dielectric dot frequency oscillator 介质点频振荡器
- Jack was fired twice but both times taken back. 杰克曾两次被解雇，但两次都被允许回去工作。
- The filly has been raced twice this season. 这匹小牝马本季度曾两次参赛。
- A combined power system adaptive stabilized apparatus GPSS is designed to suppress low frequency oscillation and to improve power system stability. 为了抑制电力系统因负阻尼而产生的低频振荡;提高电力系统稳定性;设计了一种组合电力系统自适应稳定器GPSS(以下简称自适应稳定器GPSS).
- If I wee you, I'd think twice about it. 如果我是你我会三思而后行。
- The influence of inertia constant (H_D) of induction motor on low frequency oscillation (LFO) was studied. 研究感应电动机惯性时间常数HD对电力系统低频振荡(LFO)的影响.
