the repeatedly substitution method of sub-space

• 子空间迭代

the repeatedly substitution method of sub-space的用法和样例：

例句

1. Having discussed the application of preconditioning techniques to the subspace iteration method, the preconditioning subspace iteration method is presented.
   讨论了预处理技术对子空间迭代法的应用，从而给出了预处理子空间迭代法。