也就是说，它在Face对象的法向量方向上进行挤压，创建一个3 - D图形。

That is, it creates a 3-d figure by extruding in the direction of the Face object's normal vector.

youdao

对象模型技术(OMT)是一种面向对象概念集以及与编程无关的图形表示法，包括对象模型、动态模型和功能模型。

OMT (Object Modeling Technique) is an Object-Oriented conceptual set and that is a graphical notation independent of programme, which includes Object-Model, Dynamic-Model and Function-Model.

youdao

对象模型技术(OMT)是一种面向对象概念集以及与编程无关的图形表示法，包括对象模型、动态模型和功能模型。

OMT (Object Modeling Technique) is an Object-Oriented conceptual set and that is a graphical notation independent of programme, which includes Object-Model, Dynamic-Model and Function-Model.

youdao