• 2022-06-04
    空间曲线[img=81x54]1802cfd999438de.png[/img]在[img=31x23]1802cfd9a188c89.png[/img]坐标平面上的投影是( ).
    A: [img=137x52]1802cfd9ae8ce96.png[/img]
    B: [img=145x52]1802cfd9ba43bc0.png[/img]
    C: [img=137x52]1802cfd9c664e91.png[/img]
    D: [img=160x52]1802cfd9d0aa78e.png[/img]