Through the cyclic parameter analysis and the method of fatigue life estimation, a basis for fatigue life estimation of typical lower-wing structure is established.
这一循环参数分析和疲劳寿命估算方法为典型机翼下壁板结构的疲劳寿命估算建立了基础。
The major papers presented STPK120 design process: including theory, the structure and composition analysis, the typical components and machining process design, plate bending degrees of control.
本论文主要介绍了STPK120的设计过程：包括工作原理，结构的组成与分析，典型零件的设计以及加工工艺过程，板材翘曲度的控制。
The structure and the main contents of this thesis are as follows:Firstly, the article draws out the core issue through the comparative analysis of two typical cases.
本文的论述结构及主要内容如下：首先，通过两个典型案例的比较分析，引出本文的核心问题；
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