The calculation results show that the advantages of the composite difference scheme are high accuracy, loose limitation for the stability and convergence and easy to program.

算例计算结果表明，该组合格式具有精度高、稳定收敛限制宽松、易于编程等优点。

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Results of calculation example show that the advantages of the composite difference scheme are high accuracy, loose limitation of stability and convergence, easy programming and so on.

算例计算结果表明，该组合格式具有精度高，稳定收敛限制宽松，易于编程等优点。

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