本源程序是模拟飞船着陆的游戏，有一定的趣味行~！-the source of the spacecraft landing simulation of the game, have a fun trip ~!

该软件是演示交会对接（RVD）的软件，可以模拟两个航天器的整个过程。能帮助专业人员了解RVD实现过程。-demonstration of the software is the rendezvous and docking (RVD) software can simulate two spacecraft in the entire process. Professional help to understand the process of achieving RVD.

Spacecraft Attitude Dynamics and Control 航天器姿态控制的课件，十分难得；内容通俗易懂；十分完整；是从事航天研究的必须知识