... 射频选择性 radio-frequency selectivity 射频噪声 radio noise 射频噪声场强度 radio noise field strength ...
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结论选择性射频热凝术治疗三叉神经痛是安全、简便、有效、适应证广的方法。
Conclusions Selective percutaneous radiofrequency thermocoagulation for treatment of trigeminal neuralgia is a safety, simple, convenient and wide indication method.
频率合成器是无线通信中射频前端的主要构件模块之一，性能直接决定射频接收机的频率选择性。
The frequency synthesizer is a key building block of radio frequency front-end for wireless communications and its performance determines the frequency selectivity of radio frequency receivers.
经过调制产生了两个频段的射频信号，具有抗频率选择性衰落的优点。
The system can generate two frequencies, which will decrease frequency selective fading effect.
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