• 2022-06-12
    求空间曲线[tex=9.286x3.357]qykHLaRvlz/uNArLCJEynYL0mfSXdNaemMXqWNDn/hJNRNHYfSwzKxqDy3F25emEkv+q2NV2JJ4yjpDi+7/uAd1Pxd6wcnnOGNzAyubIE4h/2zg8uplY4FaNbfjoXrky[/tex] 在 [tex=0.5x0.786]gdMkE6SnyZedYLxpUxdkaQ==[/tex] 轴上的投影曲线及投影柱面.