To lower cost in spacetransportation is one of the keys to the exploitation and exploration of space.
低成本空间运输是实现人类对太空探索和开发的重要关键之一。
2
It used to be that commercial spacetransportation was almost exclusively about launching communication satellites into geosynchronous orbit using expendable launch vehicles.
过去,商业太空运输几乎专指用一次性运载火箭将通信卫星送入地球同步轨道。
3
China will conduct research into the technologies for low-cost launch vehicles, new upper stage and the reusable spacetransportation system between the earth and low-earth orbit.