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一九八九年十月十一日,在北京香山饭店举行的联合新闻发布会上正式宣布,一种基于WST(WORLD SYSTEM TELETEXT)制的中文图文电视系统开路试验成功,同时进行了开路试验接收现场表演。达项科研成果是由广播电影电视部广播科学研究所、飞利浦公司元件部和VG电子公司共同开发研制的。从1988年开始,利用双方共同开发的解码器和图文电视信号发生器进行开路实验,并在编辑接收和发送系统等方面也进行了研究。试验是通过中央电视台第二套节目
On October 11, 1989, a joint news conference was held in Beijing Fragrant Hill Hotel. It was officially announced that a Chinese Teletext system based on WST (WORLD SYSTEM TELETEXT) was successfully tested in open circuit and an open circuit test Receive live performances. Achievements in scientific research by the radio and Television Broadcasting Institute of Radio Science and Technology, Philips Components Department and VG Electronics jointly developed. Since 1988, the open-circuit experiment has been carried out using the decoder and the teletext signal generator jointly developed by both parties and has also been studied in the fields of editing receiving and transmitting systems. The test is through the second set of CCTV programs