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.
哥白尼体系的真正优势在于以太阳作为静止不动的参考系，数学演算更加简便。
The real advantage of the Copernican system is that the mathematics is much simpler in the frame of reference in which the sun is at rest.
自从哥白尼体系被发现和证实以后，仅仅承认太阳不会运转，而是地球运转这一事实，就足以破除古人的全部宇宙观了。
EVER SINCE the law of Copernicus was discovered and proved, the mere recognition that not the sun, but the earth moves, has destroyed the whole cosmography of the ancients.
但奇怪的是，该书很少讨论哥白尼的世界体系下知识支撑，也少有提及让哥白尼最终确信托勒密理论是错误的一丝不苟的观察。
But there is strangely little discussion of the intellectual underpinnings of Copernicus's system of the world, and of the meticulous observations that eventually convinced him that Ptolemy was wrong.
但奇怪的是，该书很少讨论哥白尼的世界体系下知识支撑，也少有提及让哥白尼最终确信托勒密理论是错误的一丝不苟的观察。
But there is strangely little discussion of the intellectual underpinnings of Copernicus's system of the world, and of the meticulous observations that eventually convinced him that Ptolemy was wrong.
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