权函数是得自对应的齐次微分方程的一般解和完备系。
The weighted functions are obtained based on the use of completed systems of general solution of the corresponding homogeneous equations.
文章还导出了广义调和函数系，并证明了它在平面边界上是一个完备系，可作为权函数系。
Moreover, the paper derives a generalized compatibility function system which is proved a complete system on the boundary of plate, and can be considered as the system of weight function.
同时，还给出了几组完备的正交函数系。
Meanwhile, many important complete orthogonal function systems are obtained.
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