A.繪制單點(diǎn) B.等分角 C.繪制多點(diǎn) D.定數(shù)等分直線、圓弧
A.17.5mm B.10mm C.25mm D.5mm
A.極坐標(biāo)B.平面坐標(biāo)C.相對(duì)坐標(biāo)D.絕對(duì)坐標(biāo)