相切(Tangential)连续性[c 1 or g 1]则是下一个层次，指的是建立一个连接这些表面间的平滑的圆弧过渡。

Tangential continuity [C1 or G1] is the next level, defined by a circular arc creating a relatively smooth transition between these surfaces.

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创建表面使用扫描第2轨与相切选项。为了实现切线选项，您将必须建设中的表面部分。

Create the surface using sweep 2 rails with the tangency option on. To achieve tangent option you will have to build the surface in parts.

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包含所有在表面上的一个特殊的点相切的线的平面。

The plane that contains all the lines tangent to a specific point on a surface.

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