Although curves of big arclines are higher in rate of hit its level of difficulty in techniques is higher and it is not easy to command in a short time.
弧线大的曲线虽然全中率很高，但技术难度较大，短时间内不容易掌握。
2
Before EDM wire cutting die points of non_straight and non_arc lines, an arc for fitting the curve of the die point is necessary so as to calculate wire_cutting programming data.
电火花线切割非直线和非圆弧的模具刃口前，需先用圆弧拟合模具刃口曲线，以便计算线切割编程数据。
3
Just as iron filings arc from one end of a magnet to another, the plasma is sliding in an arc along magnetic field lines.