1) arc of approach
渐近弧;闪隙弧;退弧
2) striking of arc
起弧，闪弧
3) snapover
闪弧
4) arc gap
弧隙
5) arc
[英][ɑ:k] [美][ɑrk]
弧
1.
It is impossible to divide a given common angle or arc(instead of the particular angles or arcs)into three equal parts by using a rule and compasses.
用尺规将一个任意角或弧绝对准确三等分是不可能的。
2.
For any graphic symbols made up of point, line and arc, it was transformed to a corresponding character string based on a rule.
本文给出一种通用的基于点、直线和弧线的图形符号画法,对任何由点、直线和弧线构成的图形符号,按统一的转换规则转换出相应的字符串,将这些字符串交给同一个画图函数,就可以画出相应的图形或符号。
6) arc of recess (of gears)
渐远弧
补充资料：操弧
1.持弓发箭。
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