• 2022-06-06
    曲面[img=135x26]18036fdfd7197e3.png[/img]与[img=109x26]18036fdfdfc647c.png[/img]的交线,在yoz坐标面的投影柱面方程为( )
    A: [img=88x26]18036fdfe868c5d.png[/img]
    B: [img=98x26]18036fdff17a853.png[/img]
    C: [img=96x26]18036fdff9c1c78.png[/img]
    D: [img=106x24]18036fe00226e4e.png[/img]