注意到主动齿轮的齿数比冠状齿轮少。
Note that the input pinion is a smaller gear than the ring gear.
汉译：转递比取决于两个啮合齿轮的齿数比。
The transmission ratio is dependent upon the ratio of the number of teeth of the meshing gear wheels.
第一级传动齿可变，驾驶员可根据电流与磁场情况来改变齿数比。
Gears of first stage are changeable so that the operator can change the gear ratio based on current field condition.
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）。
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.
齿轮在轮毂或轴上旋转，带动其它一些齿轮，后者则可以比前者转得快或慢，这取决于基本齿轮的齿数。
The gear spins on the wheel hub, drives the other gears, which, according to the number of the teeth, spin faster or slower than the original one.
无限数量的齿轮比也意味着一定范围内齿数将不再存在。
The limitless number of gear ratios also means that the nudging motion caused by shifting is no longer present.
无限数量的齿轮比也意味着一定范围内齿数将不再存在。
The limitless number of gear ratios also means that the nudging motion caused by shifting is no longer present.
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