laker main window -->> option -->> preferences -->> Limits" x& C( x# t% w
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將以下參數調整至可以接受的誤差即可* r, G- f" p9 n
Ellipse to Polygon Sides 4 ]: V' O) U$ j& n, A Doughnut to Polygon Sides , X# W( X2 B/ ~% r Arc to Polygon Sides