The limited unit method, random tired analysis etc. method that is adopted to analyse and calculate the track beam's loading abilitys.
采用有限单元法、随机疲劳分析等方法对该轨道梁的承载能力进行分析计算。
Aiming at the problems as the nonlinear factors and the position disturbance in the electro-hydraulic servo loading system of pumping unit, the conventional control method cant attain perfect effect.
抽油机电液伺服加载系统存在非线性和位置扰动引起的准确度问题，传统的控制方法不能达到理想的效果。
The fundamental solutions for displacements and stress components of the layered soil due to unit internal ring loading are first derived with integral transforms and the transfer matrix method.
采用积分变换和传递矩阵方法，求解了成层土在内部环形荷载作用下的基本解；
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