Presently, Chinese urbanization process has been a acceleratingstage.
当前，中国的城市化进程已进进了加速阶段。
2
Firstly, this paper analyzes the Change process of Zhengzhou city since the beginning of the 20th Century, that is, the stage of stagnancy, starting, expansion, accelerating etc.
本文分析了郑州市20世纪初以来的城市演变过程，归纳出四个阶段，即停滞、起步、扩张和加速阶段；
3
The new equation correctly reflects such a fact as that the creep damage starts or appears at the end of the second stage and results in the accelerating creep and failure.