Virgin Galactic's space tourism rocket SpaceShipTwo achieved its first solo glide flight yesterday, marking another step in the company's eventual plans to fly paying passengers.
10月10日，维珍银河公司执行太空旅游任务的火箭助推太空飞船二号完成了首次单独滑翔飞行，朝最终携带付费乘客旅行又跨出了一大步。
If we can go to space with improved hybrid rocket engines on half the fuel used now, that would be a giant step.
如果我能够坐在相当于只使用现今火箭所需一半燃料的改良型火箭上太空的话，那将会又是迈出了很大的一步。
Private spaceflight took one giant step forward this week when the Tycho Brahe craft lifted off atop the HEAT-1X rocket engine Friday (pictured) from a platform in the Baltic Sea.
当第谷·布拉赫号飞船周五越过热火- 1x号火箭发动机头顶，从波罗的海的一个平台上升空(如图)，私人太空飞行本周向前迈出了一大步。
Last season, however, Lennon seemed to take an unsteady step backwards at White Hart Lane, while Walcott made a rocket-assisted international take-off on a memorable night in Zagreb.
上个赛季，列农在白鹿巷又倒退了几步，而沃尔科特则在萨格勒布的欧冠比赛上演出了精彩助攻。
The liner is a polymeric elastomer coating between propellant and insulation layer or case. The liner-forming is a special step in production of solid rocket motor.
衬层是推进剂与绝热层或壳体之间的高分子弹性体涂层，衬层成型是固体火箭发动机生产中的一种特种工序。
On the basis of theoretical calculation analysis and experiment research, the paper proposes a new raising non-con-control rocket distrubution way. which is a step propulsion plan.
本文在理论计算分析和试验研究的基础上提出了提高无控火箭密集度的一个途径，即阶梯推力方案。
On the basis of theoretical calculation analysis and experiment research, the paper proposes a new raising non-con-control rocket distrubution way. which is a step propulsion plan.
本文在理论计算分析和试验研究的基础上提出了提高无控火箭密集度的一个途径，即阶梯推力方案。
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