Calculation shows that method of minimum residual error is better method to establishment of the discharge drawdown equations, and minicomputer can use simply in calculating process.

计算表明，最小残差法是建立稳定法涌水量经验方程的一种较好方法，计算过程在微机上易于实现。

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President Barack Obama is expected to outline the speed of this drawdown, and the size of a residual U.S. force that may stay in Afghanistan after 2014, as soon as Tuesday's State of the Union address.

WSJ: U.S. Sets Stage for Exodus from Afghanistan