As a power plant of future spacetransportationsystem, air breathing combined engine needs a special hydrogen supply and management system.
作为未来航天运输系统的动力装置，吸气式组合发动机需要一个特殊的氢供应及管理系统。
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China will conduct research into the technologies for low-cost launch vehicles, new upper stage and the reusable spacetransportationsystem between the earth and low-earth orbit.
开展低成本运载火箭、新型上面级、天地往返可重复使用运输系统等技术研究。
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The first official image of a manned spacecraft, based on the collaboration on the Crew SpaceTransportationSystem (CSTS) between Europe and Russia, has been unveiled, the BBC reported recently.