• 1. spacecraft propulsion: 航天器推进
• 2. spacecraft propulsion system: 航天器推进系统
• 3. planetary spacecraft propulsion system: 行星空间飞行器推进系统

• 1.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。
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• 2.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。
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• 3.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。
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