提出了一种在缺少绝对轨道信息时的航天器椭圆轨道自主交会方法。
An approach for spacecraft autonomous rendezvous in an elliptical orbit without orbit information is developed.
现在，波音公司依然在该领域占有绝对领先的地位，在地球同步轨道部署了大量用于商用、民用和军用的通信卫星。
Boeing today specializes in geosynchronous communications satellites for commercial, civil and military use.
我们无法理解行星在其轨道上的复杂布局，但我们知道这是祂的设计，祂是绝对的引导，祂为我们绘制了最为安全的轨道。
We do not understand the intricate pattern of the stars in their courses, but we know that he who created them does, and that just as surely as he guides them, he is charting a safe course for us.
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