可用选项是逻辑模型和物理模型，或者由导入自动识别。
The available selections are for logical model, physical model, or automatic recognition by the import.
在这样的应用背景下，本论文主要研究了工程车辆的外形特征自动识别系统的模型。
In this application background, the dissertation researches on engineer vehicle recognition system model based on the profile of the vehicle.
此模型能有效捕捉并自动识别服装制板过程中反映用户设计意图的几何约束关系，实现服装纸样的参数化。
This model could capture geometric constraints effectively and distinguish user's intentions automatically in the process of drawing graph theory so as to realize parametric design of apparel pattern.
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