轨道还不是今天那样静止、有序的系统。
信息反馈校验指令控制方式普遍运用于同步轨道静止卫星的指令控制系统中。
The command remote control system with information feedback checking is commonly used in command control system of geostationary satellite.
提出了一种用静止卫星和同步椭圆轨道卫星构造的区域卫星定位系统。
A regional satellite navigation system which is made up of geosynchronous satellites and synchronous satellites with elliptical orbit is proposed.
研究了混合轨道卫星通信系统的路由算法，系统由低轨道和静止轨道卫星构成。
Routing algorithms of satellite communication system with hybrid orbit are studied. The system consists of LEO and GEO satellites.
2003年，发射第三颗地球静止轨道卫星，进一步增强系统性能。
The third GEO satellite was launched in 2003, which further enhanced the system's performance.
2003年，发射第三颗地球静止轨道卫星，进一步增强系统性能。
The third GEO satellite was launched in 2003, which further enhanced the system's performance.
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