为了从大量CAD模型中检索出具有指定局部结构的模型，提出一种基于拓扑逼近的检索方法。
To find models including the given partial structure from massive CAD models, a retrieval method based on topology approximation is proposed.
为了从大量CAD模型中检索出具有指定局部结构的模型，提出一种基于拓扑逼近的检索方法。
To find models including the given partial structure from massive CAD models, a retrieval method based on topology approximation is proposed.
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