本文就数列、级数、积分等内容，讨论了它们之间的联系及转化。
This article discusses the contents and the relations and conversion of series, sequences and integrals.
自然级数遵照一在西方普及的如“斐波纳契级数”那样的数列。
The natural progression follows a series that is popularized in the West as the "Fibonacci series".
并采用一个矿山实测得到的震级数列进行了进化神经网络方法的实用性验证，结果表明，进化神经网络不但模型拟合精度高，而且预测性能也较好。
The proposed model is tested by a real magnitude series from a mine, and results show that evolutionary neural network model has not only high precision, but also high prediction.
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