ITU-R RAPPORT BS 300-7 FRENCH-1990 Stereophonic or multi-dimensional sound in frequency-modulation sound broadcasting《调频声广播中的立体声或多维声音》.pdf

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ITU-R RAPPORT M 766-2 FRENCH-1990 Feasibility of frequency sharing between the GPS and other services《全球定位系统和其他服务之间的频率共享的可行性》.pdf

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