This regular regression of the Moon's nodes is the other cycle that determines the patterns of eclipses over time.

此月球交点有规则的退行是决定日食类型的另一个循环。

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Combining the new measure with the forward regression orthogonal least square (OLS), not only the parameters of the classification hyperplane, but also the important input nodes can be obtaind.

提出一种基于输入集分类函数的新的距离度量方法，它与前传回归的正交最小二乘法相结合，不仅可以学习分类超平面的参数，而且可以选择重要的输入节点。

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