【摘要】 论述了在参数化特征造型系统中草图元素间的尺寸关系 ,并将其细分为六类 .然后阐述了表示各种类型尺寸标注的诸要素的方法以及尺寸标注的过程 .最后讲述了草图尺寸标注在参数化特征造型系统 EB3D中的实现 .更多还原

【Abstract】 Discussed the relations among sketch elements in the parametric feature model system and divide them into six types. Expounded the representation of all elements of every type of dimension and the process of dimension. Finally, narrated the realization of sketch dimension in the parametric feature model system EB3D.更多还原