求曲线向各坐标面投影的投影柱面方程，和在各坐标面上的投影曲线：[tex=8.857x3.357]fnpmC2J6JmQBLyo5NmGAz89fzajrsY2GMIIvBoKtXjPyxfKdCxU+Ay/PBrQ/ZvhlviW1cF+aiE3VAtz+7ah8nmmun90BkNNJ9RXweaygYY6EeNlAo1zxH56+o62eIvub[/tex] .
求曲线向各坐标面投影的投影柱面方程，和在各坐标面上的投影曲线：[tex=8.857x3.357]fnpmC2J6JmQBLyo5NmGAz89fzajrsY2GMIIvBoKtXjPyxfKdCxU+Ay/PBrQ/ZvhlviW1cF+aiE3VAtz+7ah8nmmun90BkNNJ9RXweaygYY6EeNlAo1zxH56+o62eIvub[/tex] .
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