自我十几岁以来，该项运动发生了很大变化。

So much has changed in the sport since I was a teenager.

《柯林斯英汉双解大词典》

这些行星运动的变化，导致了气候的变化。

These changes in the planet's motions, they caused the climate to change.

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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。

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

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You're always wasting energy into heat somewhere when you dochange that involves mechanical change.

当进行与机械运动有关的变化时,总会有能量变成热量而被浪费掉。

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Then again, you will find the evolution of the planetary motion, because the rate of change of the rate of the change of the position is connected to the position.

同样地,这就是行星运动的演化过程,因为行星位移的变化率的变化率,与它的位移有关

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The balance of sodium movement relative to potassium movement changes because there's this resting movement of all these molecules anyway, but that balance changes dramatically when these ion - when these gated ion channels open.

钠钾各自运动始终保持动态的平衡,因为尽管在静息状态,所有这些离子也在运动,但是平衡的剧烈变化,只发生在这些门控离子通道打开的时侯

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