The advantage of having only two wheels is that the car can be shrunk into a small package.

仅用双轮的优点是汽车能够缩水成小包装。

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Similarly, Engine and Wheels classes are created inside of a UML package named Parts, also not shown.

同样的，在名为Parts的包中，建立Engine和wheels类。

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The Sport Package includes upgraded wheels, sport suspension, and Dynamic Driving Control, which tightens the steering and sharpens throttle response.

运动版配置包含有升级轮毂、运动悬挂、动态驾驭控制系统。

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Upgraded springs, struts and antiroll bars, as well as bigger brakes and lighter alloy wheels, round out the road-holding package.

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Also new are larger air intakes ahead of the front wheels, which have 19-inch alloy rims in matte black, and an optional style package that offers high-gloss black paintwork on the underside of the front spoiler, front and rear grilles.

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