Several preconditioning techniques have been used to reduce the condition number of the operator equations.
文中采用了几种预条件技术来降低算子方程的条件数。
However, the accuracy of preconditioned schemes was not satisfied because of the poor performance of stability of preconditioning techniques used in viscous flows.
然而，对于粘性流，预处理计算稳定性较差，从而影响了计算精度。
However, the accuracy of preconditioned schemes was not satisfied because of the poor performance of stability of preconditioning techniques used in viscous flows.
然而，对于粘性流，预处理计算稳定性较差，从而影响了计算精度。
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