To get a list of the user-defined attribute names for this file, we call the list method on the view.

为获取用户为这一文件定义的属性名，我们在视图上调用list方法。

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To get a list of the user-defined attribute names for this file, we call the list method on the view.

为获取用户为这一文件定义的属性名，我们在视图上调用list方法。

youdao