可视化扭结的 TNB 基
FrenetSerretSystem 将计算与任意维数中曲线相关的标准正交基. 在三维中，该基通常被称为切线/法线/副法线或 TNB 基.
查找扭结函数.
| In[1]:= |  X |
计算相关 TNB 基.
| In[2]:= |  X |
可视化曲线和其基.
| In[3]:= |  X |
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