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在1987年岁尾,电视广播科研战线捷报频传,多节目电视广播(以前用的名称是“静止图象广播”)的发送系统和接收系统,分别通过了部级技术鉴定。多节目电视广播是一种新型的电视广播方式。它只占用一个电视频道,由一个电视发射台同时播发最
At the end of 1987, the sending system and receiving system of television broadcasts on scientific and technological fronts and multi-program television broadcasting (formerly known as “still image broadcasting”) passed the ministerial technical appraisal respectively. Multi-program television broadcasting is a new type of television broadcasting. It occupies only one television channel, broadcast by a television transmitter at the same time most