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.

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脉冲的SL 85车轮印有大会提供比传统的齿轮齿车轮更高的脉冲计数磁极。

The SL85 pulse wheel assembly is imprinted with magnetic poles that provide higher pulse counts than traditional gear tooth wheels.

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此外，三轮车齿轮允许的水平舱区-这使得飞机装卸容易得多机舱比倾斜。

Furthermore, the tricycle gear allows for a level cabin area - this makes loading and unloading the aircraft much easier than with an inclined cabin.

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