From the mode of information transmission, the wireless communication can be classified as long wave, medium wave, shortwave, ultra short wave, and microwave.
无线通信系统按其传播信息的方式,可分为长波、中波、短波、超短波和微波通信方式。
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Objective: To observe therapeutic effect of four needles-eight points combined with ultra-shortwave irradiate point therapy on peripheral facial paralysis.