调频系统是指幅度不变，载波信号的频率随调试信号幅度变化位变化的调制方式叫着调频。
... frequency modulated station 调频发电厂，调频电台 frequency modulated system 调频系统 frequency modulation 频率调制，调频 ...
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交流调频系统 ACVF system
人无线调频系统 Personal FM System
无线调频系统 radio data system ; RDS
副载波调频系统 [电子] [通信] subcarrier frequency modulation system
混合调频系统 controllable TMD-TLD hybrid system
脉冲调频控制系统 [自] pulse frequency modulation control system
视频调制系统 [电子] video modulation system
变频调速系统 variable frequency speed control system ; frequency control system ; frequency conversion timing system ; Frequency-variable speed-adjustable system
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程序主要用于电网自动调频系统设计的可行性研究以及对电网运行的动态模拟。
The simulator can be used in feasibility study for designing load frequency control system and simulating power system operation.
调频广播：另一个非常不切实际的期望，但同样的，我们知道有些人希望新操作系统中有这个功能。
FM radio: Another one that was highly unlikely, but again, we know there are some who want it.
普雷斯顿是一款大众市场设备，2.8英寸的屏幕，内置300万像素的摄像头和调频收音机，而Omnia是一款集所有功能于一身的多媒体手机，使用Windows Mobile操作系统。
The Preston is a mass-market device with a 2.8-inch screen, 3-megapixel camera and FM radio, while the Omnia is an all-in-one multimedia phone that USES the Windows Mobile operating system.
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