This means the same version of the g++ compiler must be installed on all the machines, along with related build tools like ar, ranlib, libtool, and so on.

这意味着所有机器上必须安装相同版本的 g++ 编译器，以及相关的编译工具，如 ar、ranlib、libtool 等。

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Using linear regressive models (e. g. AR, ARMA model) to fit and predict the climatic time series, the results are not sufficiently good because there exist nonlinear variations in the time series.

在用AR、ARMA等线性模式对气候序列进行拟合和预报时，由于气候序列中存在着非线性变化，所以拟合和预报效果往往不太理想。

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