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1985年初,铁道部领导根据我国铁路繁忙干线客货混运、运量同时迅速增长的特点,作出了试制双层客车的重要决定。1988年,铁道部在修订的《铁路主要技术政策》中明确提出了“在运行几个小时的大城市间,组织开行由双层客车编组的旅客列车”。使我国铁路在90年代既能满足运量的需要,又能适当改善旅客乘车的舒适程度。国家计委、国家科委对此也给予高度重视,把双层客车的研制,列入“七五”国家重点科技攻关计划。
At the beginning of 1985, the leaders of the Ministry of Railways made an important decision to trial the double-decker bus according to the characteristics of rapid passenger and cargo transportation along the busy railway lines in China and the rapid growth in traffic volume at the same time. In 1988, the Ministry of Railways explicitly proposed in the revised “Major Railway Technology Policies” that “a large number of cities run for several hours organize and organize passenger trains grouped by double-decker buses.” So that our railway can meet the need of traffic volume in the 90s and also can properly improve the passenger ride comfort level. The State Planning Commission and the State Science and Technology Commission also attach great importance to this and include the development of double-decker buses in key national scientific and technological plans for the Seventh Five-Year Plan.