GB/T 6934-2017短波单边带接收机电性能测量方法国家标准
英文:Methods of measurement of electrical performance for short wave single-sideband receivers GB/T 6934-2017介绍: 国家标准《短波单边...
英文:Methods of measurement of electrical performance for short wave single-sideband receivers GB/T 6934-2017介绍: 国家标准《短波单边...