卡车司机用民用波段无线电呼救。
我把自己那个业余无线电收音机调到通话波段，想要听一个周六早间的交流节目。
I turned the dial up into the phone portion of the band on my ham radio in order to listen to a Saturday morning swap net.
这种通迅联系要靠21厘料波段，即每秒1420兆周的精确无线电频率。
This depends on the precise radio frequency of the 21-cm wavelength, or 1420 megacycles per second.
一种高性能的Q波段单片HEMT收发芯片已改进用于毫米波商用数字无线电系统。
A high performance Q-band monolithic HEMT transceiver chipset has been developed for millimeter-wave commercial digital radio systems.
毫米波辐射计就是工作于毫米波波段的宽带无线电接收机。
The Millimeter wave radiometer, which is a kind of wideband radio receivers, works on the millimeter wave.
渠道和部分波段内的超高频无线电频谱分配的部分国际电信联盟(itu)。
Channels and subbands within the UHF portion of the radio spectrum are allocated by the International Telecommunication Union (ITU).
渠道和部分波段内的超高频无线电频谱分配的部分国际电信联盟(itu)。
Channels and subbands within the UHF portion of the radio spectrum are allocated by the International Telecommunication Union (ITU).
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