数值计算表明，这种方法可以降低方程的迭代次数约40%，并明显减少方程的求解时间。

Numerical results present that this method can decrease the number of iterative by 40% and reduce the computation time greatly.

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数值计算表明，这种方法可以降低方程的迭代次数约35%，并明显减少方程的求解时间。

Numerical results present that this method can decrease the iterative number by 35% and reduce the computation time greatly.

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两个典型算例的理论分析和实际计算表明，这种预条件方法可以降低方程的迭代次数约30%，明显减少方程求解时间。

The theoretical analysis and numerical results of two typical examples show that this method can decrease the numbers of iterative by30%and reduce the computation time greatly.

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