多项选择题
A.Beijing 19543Degree GK CM 120EB.Xian 19803Degree GK CM 120EC.Xian 19803Degree GK Zone 20D.Beijing 19543Degree GK Zone 40
A.DEMB.面C.要素D.ASCII
A.中心捕捉B.交点捕捉C.切线捕捉D.使用捕捉