已知圓弧的首末點(diǎn)和圓弧圓心角,繪制圓弧段,如圖1所示。▲圖1 首末點(diǎn)角度弧實(shí)現(xiàn)方法:(1)啟動(dòng)首末點(diǎn)角度弧命令;(2)輸入圓弧起點(diǎn)和末點(diǎn);(...
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