Microwave transmission:
Microwave transmission refers to the technology of transmitting information or energy by the use of electromagnetic waves whose wavelengths are conveniently measured in small numbers of centimetre; these are called "microwaves". This part of the radio spectrum ranges across frequencies of roughly 1.0 gigahertz (GHz) to 30 GHz.
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微波通讯:
微波通讯 是指一种综合技术，将信号以频率在0.3 GHz 至300 GHz的微波作为载体传输。
zh.wikipedia.org
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Microwave transmission微波通讯