The frequency synthesizer is a important part in modern communication system.
频率合成器是现代通信系统的重要组成部分。
E-mail communication frequency presented a very different picture.
电子邮件通讯的频繁程度呈现出一种不同的图表。
Low cost high-frequency device, high-frequency amplifying method, radio communication device and mobile phone.
低成本高频装置，高频放大方法，无线通信装置和移动电话。
Frequency Shift Communication System?
频移通信系统FSCS ？
Frequency Shift Communication System?
频移通信系统FSCS ？
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