On the basis of blade airfoil curve fitted with triple spline function and the practical process, a kind of program design method is offered to display the section of WECS blades and its structure.

根据风力机叶片设计的实际过程，在三次参数样条曲线拟合叶片翼型曲线的基础上，提出了一种在计算机上能立体显示叶片截面及其结构的程序设计方法。

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