A.abr B.ai C.eps D.cdr
A.節(jié)點(diǎn) B.對(duì)稱點(diǎn) C.方向點(diǎn) D.尖突點(diǎn)
A.只針對(duì)原圖操作 B.會(huì)產(chǎn)生新的圖形 C.可選擇對(duì)原圖或新建 D.無(wú)變化