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spy satellite 間諜衛星。

spy-hole

In the first , this article introduces the knowledge of orbit designing , then this article summarizes the basic methods and principles of orbit designing . in the later , this article describes the conception of node period about orbit designing emphatically which has been advanced by the writer . at the same time , this article describes the process of the writer ' s analysing and designing the orbit of earth spying satellite particularly with the conception . in the last , this article describes the wirter ' s analysing and simulating the designing results 本文首先介紹了軌道設計的基本知識,然后總結了軌道設計的基本的方法和原則。在隨后部分重點對衛星軌道設計中交點周期的概念提出了自己的看法,同時應用此結果詳細分析和設計了對地偵察衛星的太陽同步回歸軌道,最后對此設計結果進行詳細仿真分析。

Last september reports emerged that china had been pointing high - powered lasers at american spy satellites passing over its territory 據去年九月份的報告,中國已經用高能量激光探照經過其上空的美國偵察衛星。