1) sub-angular sand
近我角形砂
2) angular sand
多角形砂
3) straight cup whee
直角碗形砂轮
4) triangulated approximative development
三角形逼近展开
1.
This paper deals with the computing principle and the plotting method on development of a tangential surface connector according to the principle of descriptive geometry and the method of triangulated approximative development.
本文根据画法几何原理和分块三角形逼近展开的方法，论述了一种切线曲面接头展开图的计算原理和绘制方法。
5) polygonal approximation of dfBM
dfBM的dsBM多角形逼近
6) Approximate Low Triangular (ALT) Form Enco ding Method
近似下三角形编码
补充资料：直角
见“角④”(1205页)。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条