遵照毛主席“努力办好广播,为全中自人民和全世界人民服务”的教导。我国农村广播事业在无产阶级文化大革命中得到了很大的发展。为了更好地造应广播事业发展的需要,我站实验厂于1972年9月接受了省有关局下达的有线广播综合测试仪的科研任务。经过一年多时间的研制,综合了失真度测试仪、低频讯号发生器、毫伏表示波器和 Follow the teachings of Chairman Mao on “doing a good job of broadcasting and serving all people and people all over the world.” The rural radio in our country has made great strides in the great proletarian cultural revolution. In order to better cope with the needs of the broadcasting business, the laboratory of our station in September 1972 accepted the scientific research task of the cable broadcasting comprehensive tester issued by the relevant provincial authorities. After more than a year of research and development, a combination of distortion tester, low-frequency signal generator, millivolt meter and