1) Four-corner modification
四角修形
2) Diagonal modification
对角修形
1.
With the lowering of flucturations of the meshing stiffness as goal,the selection criteria of diagonal modification areas of narrow helical gears arediscussed.
本文以降低齿轮啮合刚度波动为前提,讨论了窄斜齿轮对角修形区域的选择原则。
3) modification of rotated angle
转角修形
4) tetragon
[英]['tetrəgən] [美]['tɛtrə,gɑn]
四角形
1.
Through studying two pairs of opposite vertices in tetragon, the author derived the curve equation of focus in form of complex number and its expression of right angle coordinate.
从研究四边形 (或四角形 )的两对对顶点出发 ,推导出复数形式的焦点曲线方程及其直角坐标表达
5) four-angle star
四角星形
补充资料：四角
1.指方形物的四个角。 2.指建筑物顶四方的四个飞檐。 3.东汉时匈奴左贤王﹑左谷蠡王﹑右贤王﹑右谷蠡王的合称。
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