Operating process of thrust chamber in spacecraft propulsion system is studied.
研究了飞船推进系统推力室工作过程。
Based on the physical and mathematical model of spacecraft propulsion system, the application of model based fault diagnosis method to the propulsion system of spacecraft was studied.
在飞船推进系统的物理和数学模型的基础上，研究了基于模型的故障诊断方法在飞船推进系统中的应用。
His research for NASA's Jet Propulsion Laboratory as a geophysicist helps launch spacecraft at the correct time and position to reach their exact destinations.
作为地球物理学者，他在美国航天航空局喷气动力实验室所做的研究，帮助在正确的时间和正确的位置发射宇宙飞船，并且使之准确到达目的地。
Given realistic propulsion options, and the requirement that the spacecraft can slow down to orbit its target, the target star cannot be more than 15 light-years from Earth.
根据实际的推进选择，以及航天器能够减速以环绕其目标公转的需要，目标恒星不能离地球超过15光年。
This method was one of the key technologies in state detection and fault diagnosis expert systems of the propulsion system of spacecraft.
该方法是某飞船推进系统状态监测与故障诊断专家系统中的关键技术之一。
The spacecraft USES a bipropellant integrated propulsion system to reach lunar orbit as well as orbit and attitude maintenance while orbiting the Moon.
该航太器采用一个整体的二元组推进系统进入月球轨道和维持轨道高度及状态。
Arcjet is a kind of propulsion device for mechanical-operation and control of spacecraft.
电弧加热发动机是一种为航天器提供机动和控制推力的装置。
The vault was lifted onto Juno's propulsion module on May 19 at Lockheed Martin's high-bay cleanroom. It will undergo further testing once the whole spacecraft is put together.
5月19日，在洛克希德马丁公司高架无尘室内，抗辐射拱顶吊装到探测器推进模块上，进行进一步的系统集成测试。
The space agency's Jet Propulsion laboratory in California received the final signal from the spacecraft at 3:43 p. m. EDT, the laboratory said in a statement.
加利福尼亚航空站喷气推进实验室在声明中表示，实验室收到最后信号的时间是美国东部时间下午3点43分。
The space agency's Jet Propulsion laboratory in California received the final signal from the spacecraft at 3:43 p. m. EDT, the laboratory said in a statement.
加利福尼亚航空站喷气推进实验室在声明中表示，实验室收到最后信号的时间是美国东部时间下午3点43分。
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