If we could power such an elevator with solar energy, we could simply rise up into space for a fraction of the cost of a trip by rocket or shuttle.
如果我们能利用太阳能为这样的电梯提供动力，我们只需花费乘坐火箭或航天飞机旅行费用的一小部分就能进入太空。
The first full test firing of the rocket that will power a British car to over 1, 000mph (1, 610km/h) will take place in the coming months.
在接下来的几个月中，一辆通过火箭驱动的英国汽车将进行超越 1000mph（1600km/h）速度的完整测试。
The airplane, the automobile, and even the rocket are based on this basic idea of deriving huge amounts of propulsive power by burning fuel.
飞机，汽车，甚至火箭的动力都是燃料燃烧产生的巨大推进力。
Astrium has done considerable work already on the Romeo rocket engine that would power the climb to space, and wind tunnel testing has proven the aerodynamic shape.
Astrium公司已经对Romeo火箭引擎进行了相应的改造工作，以驱动飞船爬升至太空，并且风道测试已经证实了气动外形。公司很快将会开始火箭发动机测试。
Vanderbilt University scientist Michael Goldfarb came up with an alternative power source: rocket propellant.
Vanderbilt大学的科学家Michael Goldfarb带给公众一种可选的能量来源：火箭助推燃料。
A general method for the cycle power balance calculation of the liquid rocket engine is proposed in this paper.
本文提出了一种新的液体火箭发动机功率平衡通用计算方法。
This paper presents the development of the liquid propellant rocket engine technology from the viewpoint of combustion chamber pressure, thrust level and power cycle.
本文从燃烧室压力、系统工作循环方式以及最大推力三个方面叙述了世界各国液体火箭发动机的技术水平。
A water rocket automatically opening the parachute, including a rocket head, a storage bin, a power bin, a tail wing, a parachute, a tether 1, and a tether 2.
一种能自动打开降落伞的水火箭，包括火箭头、贮藏仓、动力仓、尾翼、降落伞、系绳1、系绳2。
The discharging steam provided the rocket with motive power.
蒸汽排放所产生的反作用力给火箭提供了动力。
The discharging steam provided the rocket with motive power.
蒸汽排放所产生的反作用力给火箭提供了动力。
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