圖中為六角螺栓的動(dòng)態(tài)塊,實(shí)現(xiàn)圖中的變化,需要幾個(gè)動(dòng)作和參數(shù)?()
A.查尋動(dòng)作和參數(shù),可見性參數(shù),縮放動(dòng)作B.查尋動(dòng)作和參數(shù),線性參數(shù)C.查尋動(dòng)作可見性參數(shù),縮放動(dòng)作D.查尋動(dòng)作和參數(shù),縮放動(dòng)作
繪制如圖所示圖形,求角A為()
A.18.69B.21.14C.24.82D.26.78
圖中,起點(diǎn)為(20,20)圓弧的長(zhǎng)度拉長(zhǎng)為150mm時(shí),圓弧的終點(diǎn)坐標(biāo)為()
A.X=148.2003,Y=61.8007B.X=138.0823,Y=71.8709C.X=113.0823,Y=91.8092D.X=98.0228,Y=171.008