• 2022-06-15
    画抛物柱面[img=51x26]180307326eca386.png[/img],画图区域: [img=260x25]1803073277226f9.png[/img]
    A: ContourPlot3D[x=y^2,{x,-6,6},{y,-3,3},{z,-5,5}]
    B: ContourPlot3D[x=y^2,{y,-3,3},{z,-5,5},{x,-6,6}]
    C: ContourPlot3D[x==y^2,{x,-6,6},{y,-3,3},{z,-5,5}]
    D: ContourPlot3D[x==y^2,{y,-3,3},{z,-5,5},{x,-6,6}]