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运载火箭实现重复使用是未来运载火箭的发展趋势之一。本文首先简单地介绍了当前国外重复使用技术的发展状况，然后根据我国的国情提出了一种两级入轨可完全重复使用的方案，接着对该方案的返回轨道特性进行了研究，通过分析仿真计算结果，论证了火箭全部回收的可行性，最后提出了欲进一步深入研究此方案所需做的关键技术研究工作。
Launch vehicles to achieve re-use of the rocket is one of the future development trends. This paper first briefly introduces the current development of reuse technology in foreign countries, and then according to China’s national conditions proposed a two-track orbit can be completely reused program, and then the return orbit characteristics of the program were studied by analyzing the simulation The calculation results demonstrate the feasibility of the full recovery of the rocket and finally put forward the key technical research work to be done in further study of the scheme.