An application programmer must supply a tangent, binormal, and normal at each vertex.

程序员必须提供每个顶点、副法和法。

The tangent, binormal, and normal attributes represent the coordinate axes of the tangent space surrounding each vertex.

，副法和法代表了每个顶点空个轴。

The envelope of moving line on the hypocycloid plane may be an epicycloid or cardioid and the...

摆逆运动中与动成定角直,包络也是圆周渐开.

Objective:To investigate the methods of locate curative position of tangent field in breast cancer isocenter irradiation.

探讨乳腺癌放疗胸壁等中心照射,确定等中心定位方法。

The formula of the curve tangent slope at some peculiar point in the orthograph on the stereoscopic surface intersecting line and the method of making tangent are given as well.

本文通过可展曲面微分不变量,导出可展面曲率与曲率特征,并以锥面和曲面为例阐明这些特性几何意义。