Algorithm of geometry simulation in machining complex curve surface depending on engagement theory is the new exploration for geometry simulation, it has better practical meaning.
根据啮合基本定理提出的复杂曲面加工表面几何仿真算法是对几何仿真新的探索，具有较强的实际意义。
Vector graph mesh model is a basic representation type of a body, particularly it is the most effective presentation method to representation complex body with curve and surface .
矢量图形网格模型是实体的一种基本表示形式，特别对于描述具有复杂曲线曲面的实体可以说是一种最有效的表达方法。
In reverse engineering, the character of surface border curve in complex contoured product is the key factor affecting the outlook designing quality of product.
在逆向工程中，复杂外形产品的曲面边界曲线的品质，是影响产品外观设计质量的关键因素。
The author put forward the basic thought that transfer shoelast complex space surface problem to several simpler curve problem to solve.
作者提出了将鞋楦的复杂空间曲面问题转化为多个较简单的曲线问题来解决的基本思路。
Combined subdivision scheme is good for interpolating curve networks, but it cannot construct complex surface with sharp features.
联合细分模式具有较强的曲线网插值能力，但却难以构造带有尖锐特征的复杂外形曲面。
The results show that the rate of the growth of each point on the surface crack is connected with the place of crack and the structure of nozzle, and its steady shape is some of complex curve.
结果表明：表面裂纹各点的扩展速度与其所处的位置和容器接管的几何参数有关，且其扩展平衡状态为一不规则形状。
The shape of streamlined train head is made of the 3-dimensional space free form surface, whose shape outline curve USES NURBS curve and complex shape surface USES 3-d NURBS surface.
基于流线型的列车头部外形由三维空间自由曲面构成，提出采用NURBS曲线设计外形型线和用三维nurbs曲面描述复杂三维曲面的车头外形设计方法。
The XB4450 imitating milling machine transformation is four axes three linkages numerical control milling machines. It may process the complex curve, the curved surface.
将XB4450仿型铣床改造为四轴三联动的数控铣床，可以加工复杂的曲线、曲面。
The XB4450 imitating milling machine transformation is four axes three linkages numerical control milling machines. It may process the complex curve, the curved surface.
将XB4450仿型铣床改造为四轴三联动的数控铣床，可以加工复杂的曲线、曲面。
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