Scientists think that this speed coupled with the planet's heft yields strong gravitational tugs that can alter the planets orbit.

科学家们认为这个速度加上行星的重量屈服于强大的重力牵引力，可以改变行星的运行轨道。

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Those changes in background may alter both the speed of light and the speed of neutrinos.

这些背景的改变会改变光速或者中微子的速度。

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Outside, it can alter monsoon cycles, speed glacial melting, and almost equal the impact of longer-term greenhouse gasses.

在室外，它会影响季风循环，加速冰川融化，几乎等价于长期温室气体的影响。

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Free radicals alter cholesterol in a process known as oxidation, which is thought to speed up the hardening of the arteries.

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"It takes time to get someone up to speed on your business needs and what you want from them, " Mr. Alter says.

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