与简单迭代法比较，充分显示其优越性。
Compared with the simple iteration, it fully reveals the advantage.
还给出了在结构重分析中简单迭代法收敛的一个必要条件。
A necessary condition for simple iteration convergence in structural reanalysis is proposed.
两种算法在长距离大地测量主题解算时，计算效率较简单迭代法均有所提高。
When they are used for the direct geodetic problem of long distance, their computational efficiency is better than that of simple iterative means.
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