介绍了为降低运载成本而提出的SSTO的各种优点及初期研制情况和目前的两阶段研制计划.指出关键在于制造出廉价/坚固的可重复使用的运载工具系列,以便以最低的运行成本来获得最高的可靠性.介绍了SSTO的设计情况,涉及材料选用、推进技术和结构,特别提出了应该利用飞机制造方面的经验和技术来减少成本的设想. The advantages and initial developments of the SSTO and its current two-phase development plan, which are proposed to reduce the carrying costs, are presented, pointing out that the key is to create an inexpensive / rugged reusable vehicle line that can be used at the lowest operating cost The highest reliability was demonstrated by introducing the design of the SSTO, involving material selection, propulsion technology and structure, and in particular the idea of ​​using the experience and technology in aircraft manufacturing to reduce costs.