Chaos theory was developed by scientists, trying to explain the movement of the planets and the changes in environmental conditions.

混沌理论是由科学家提出的，试图解释行星的运动和环境条件的变化。

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Kepler went on to show that an elliptical orbit is sufficient to explain the movement of the other planets and to devise the laws of planetary motion that Newton built on.

接着开普勒证明了这个椭圆轨道也能很有效解释其他行星的运行轨迹。 然后他提出了行星运动定律，牛顿定律就是以此为理论基础的。

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It will take me a million years to explain even just the basics of this movement as precession is quite complex.

哪怕是这个运动的基本原理，我也要花一百万年才能解释清楚，因为旋进是相当复杂的。

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Experts explain that the movement of air in the atmosphere and natural qualities of the human eye caused him to see markings that were not there.

VOA: special.2010.07.11

But the Treasury's original announcement was not, in itself, enough to explain the speed of the movement in long-bond yields.

ECONOMIST: Bond bombshell

If you ask ten Wall Street pundits to explain the upward movement, you will most likely get nearly ten different answers.

FORBES: Gold's Allure Tied to Interest Rates

Such robust cynicism about Wall Street, along with his links to the current president, may explain why Mr Volcker is not a hero of the conservative movement, despite his anti-inflationary credentials.

ECONOMIST: The most influential central banker of the modern era