1. You see how this epicycle theory could account for the seemingly backward motion of the planet.
你可以看到这个本轮理论是如何解释行星看起来像在做反向运动的。

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2. The carbon cycle has thus acquired another epicycle, and become even more complicated to understand than it was.
碳循环因此又得纳入另一个亚循环,以致变得更加复杂难以理解。

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3. The carbon cycle has thus acquired another epicycle, and become even more complicated to understand than it was.
碳循环因此又得纳入另一个亚循环,以致变得更加复杂难以理解。

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