直线的起点坐标在原点O,终点坐标在E(5,4),试用逐点比较法进行插补,并画出刀具轨迹。
解:Σ=Xe+Ye=5+4=9 (1分)
F0=0 (1分)
F≥0 向+X方向走一步 Fi+1=Fi-Ye (1分)
F<0 向+Y方向走一步 Fi+1=Fi+Xe (1分)
A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.
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