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在车站、机场等(以下简称车站)特殊场合下的扩声,其可靠性方面的要求与常规的扩声系统有所不同,航天工业总公司上海新亚无线电厂应用物理冗余技术,提出了一种高可靠的扩声应用方案,为铁路等部门开发研制了多路多信自动选机扩声系统,目前已在中国几十个特、大、中型车站
In the stations, airports, etc. (hereinafter referred to as the station) in special occasions, sound reinforcement, its reliability requirements differ from the conventional sound reinforcement system, Aerospace Corporation Shanghai New Asia Radio Plant applied physical redundancy technology, put forward A highly reliable sound reinforcement application program for railways and other departments developed a multi-channel multi-channel automatic selection of sound reinforcement system, has been in China dozens of special, large and medium-sized stations