“哥白尼体系”是天文学专有名词。
下一步，他学到更多的哥白尼体系，之后，他移动到几何，然后年表。
Next he learns about the Copernican system, and after that he moves on to geometry, and then to chronology.
但是，就在哥白尼体系被发现以后，托勒美的天动说还被研究了很长时间。
But as a fact even after the discovery of the law of Copernicus, the Ptolemaic worlds long continued to be a subject of study.
叙述美国海军“哥白尼体系”出台背景和主要内容，探讨其基本信息流程。
The background and the major contents of Copernicus architecture of usn are described and its basic info-flow is probed.
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