The rotation of the differential pinions makes the outside gear speed up.

行星齿轮的旋转使得外侧半轴齿轮加速。

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You can actually shift your daily alertness cycle by going to bed earlier, he suggests. Another way to gear up in the morning is to go outside into the daylight as early as possible after you wake up.

Randler建议说，你当然可以通过早睡来改变你的生物钟，另一种方法就是你醒来后，尽可能早地到户外暴露在日光中去。

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Some cars have variable-ratio steering, which uses a rack-and-pinion gear set that has a different tooth pitch (number of teeth per inch) in the center than it has on the outside.

有些车的转向系角传动比是可变的，这种转向器采用齿轮齿条式，它在中间而不是外部，有不同的齿密度（每寸齿数）。

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The result was left in no doubt when the outside-half put Gear into space and the winger ghosted through an absent defence for his third try in as many Tests.

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It is 80 degrees outside, but most wear full gear over their dark blue t-shirts.

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