求最值问题是中等数学永恒的话题，其中，多元函数求最值是难点。
The teaching of function of several variables is a difficult point in higher mathematics teaching.
通常的多元样条函数要求在网线的每一点上，分片多项式的光滑性一致。
Usually, multivariate spline function is smooth on every point of net lines.
介绍了一种构造多元隶属函数的方法。
The determine method of membership function in fuzzy control;
介绍了一种构造多元隶属函数的方法。
The determine method of membership function in fuzzy control;
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