The appearance of each square elbow presents a smooth camberedsurface.
所述的直角弯头外表呈光滑的弧面。
2
Astigmatic microstructures contain several camberedsurface transmission microstructures, each of the camberedsurface transmission microstructures possess an arc convex surface.
散光微结构区包含数个弧面透光微结构，每一弧面透光微结构具有圆弧凸面。
3
Formula to evaluate translation of the tooth-surface and the equation to describe the generatrix of the negatively cambered sooth-surface were derived respectively.