• 2022-06-19
    空间曲线[img=178x61]1803a28b0aba5a0.png[/img]在[img=31x23]1803a28b136c1f1.png[/img]上的投影曲线的参数方程为( ).
    A: [img=409x29]1803a28b1d48f62.png[/img]
    B: [img=340x29]1803a28b2789dc5.png[/img]
    C: [img=354x29]1803a28b3296e08.png[/img]
    D: [img=351x29]1803a28b3d24330.png[/img]