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为了适应我国社会主义革命和社会主义建设蓬勃发展的需要,在学习无产阶级专政理论的高潮中,南京邮电学院和常州第三无线电厂于1975年4月试制成功了电视电话Ⅰ型样机,其外形如图1所示。电视电话是既能传递声音,又能传送图
In order to meet the needs of the vigorous development of our socialist revolution and construction of socialism, in the climax of studying the theory of proletarian dictatorship, Nanjing University of Posts and Telecommunications and Changzhou No. 3 Radio Factory successfully prototyped the TV-phone type I prototype in April 1975 and its shape As shown in Figure 1. TV is both voice transmission, but also transfer pictures