在汇入资料库之后，您必须在专案的内容中宣告跨资料库参考，才能解决警告。

After you import a database, you must declare the cross-database references in the properties of the project to resolve warnings.

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与前两个自学课程一样，您还要汇入并使用dwg资料来定义零件。

As with the two previous tutorials, you also import and use DWG data to define the part.

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使用并参考汇入的dwg资料以确定特征标注。

Use and refer to the imported DWG data to determine feature dimensions.

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