将有三个与车辆属性相对应的输入字段，用户可在其中输入信息。

You will have three input fields corresponding to the vehicle properties, where a user will enter the information.

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该属性是一个简单的文本值，为类、字段、方法或变量解码泛型信息。

This attribute is a simple text value that encodes the generics information for a class, field, method, or variable.

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这种机制就是属性结构(attribute structure)，它主要使所有类型的信息可与类本身或类的方法、字段及其他组件相关联。

This mechanism is the attribute structure, which basically allows all kinds of information to be associated with a class itself or with the methods, fields, and other components of a class.

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