如圖所示,捕捉矩形的中心利用的是:()。
A.對(duì)象捕捉B.對(duì)象捕捉追蹤C.對(duì)象捕捉和對(duì)象捕捉追蹤D.對(duì)象捕捉和極軸追蹤
A.X =113.3233、Y =242.5747B.X =79.7336、Y =145.0233C.X =90.7940、Y =177.1448D.X =68.2647、Y =111.7149
繪制以下圖形,求A 點(diǎn)坐標(biāo)?(將精度設(shè)置為小數(shù)點(diǎn)后三位):()。
A.249.246,100B.274.246,90.478C.263.246,100、D.269.246,109.478