其次，初步开发了梯级的参数化有限元分析系统。

Secondly, it develops the initial parametric finite element analysis system of a step.

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本文简单介绍了凰岗梯级的基本特点和工程情况。

Basic feature of the latter one and engineering conditions are briefly introduced.

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本文开发的梯级参数化有限元分析系统，其分析结果对梯级的设计制造具有一定的指导意义。

This paper hold up development finite element analysis system of step parametric, the analysis results has some significance on the design and manufacture of the steps.

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