名称空间支持提供了记录逻辑树中每一项的名称空间属性的功能。

Namespace support provides functionality to record a namespace property for each item in the logical tree.

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用于查找可用的类型并检查其属性的功能称为自检api。

The ability to find out the types you have available and examine their properties is called the introspection API.

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属性的功能将进入对象，基本上，对象需要全功能没有任何属性。

Functionality from attributes will be moved into objects, basically, objects need to be fully functional without any attributes.

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The properties are not only a function of composition.

属性不只是组成成分的功能。

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