您要查找的是不是：
- tow source frequency keying 双源频率开关
- two source frequency keying 双源频率键控
- The phase noise in microwave receiver and the measured parameter of source frequency instability are described in this paper, and the technology of frequency-synthesizing and theory of Phase Locked Loop (PLL) are also briefly introduced. 摘要阐述了微波接收机中的相位噪声概念及本振源频率不稳定度的实际测量参数，并简要介绍了频率合成技术和锁相环路工作原理。
- GMSK Gaussian Minimum Shift Frequency Keying 高斯予滤波最小移频键控
- LCI current source frequency converter LCI型电流源变频器
- The steam tug takes canal boats and barges in tow. 驳船后面拖着小艇和平底船。
- The news comes from a reliable source. 这消息来自可靠的来源。
- Gauss filtered minimum shift frequency keying (GMSK) 高斯最小移频键控
- My car's broken down; will you give me a tow? 我的车抛锚了，能用你的车给我拖一拖吗？
- The truck used a cable to tow the car. 卡车用缆索拖曳汽车。
- My car broke down; can you give me a tow? 我的车拋锚了,你能让我把车挂在你的车後面拖行吗?
- The broken-down car was taken in tow by a lorry. 一辆卡车拉着一辆坏了的汽车。
- We have to tow that car to the nearest garage. 我们不得不把汽车拖到最近的修车厂。
- My wages are the principal source of my income. 薪金是我收入的主要来源。
- He is a play-hay who always had a glamour girl in tow. 他是个总有妖艳的女郎陪伴的花花公子。
- Solar energy is a new kind of source of energy. 太阳能是一种新型能源。
- The sun is the ultimate source of energy. 太阳是能量的最基本来源。
- Let us combine our tow firms against our competitors. 让我们把两家公司联合起来对付我们的竞争者。
- A source of irritation or annoyance. 令人生气的事或者引起烦恼之事
- The groundwork or source of something. 基础，根源某事物的基础工作或根源
