The displacements and stress resultants obtained by the present method can converge to exact solution and have the second order convergence speed.
利用本文方法所获得的解，无论是位移还是内力可同时有二阶收敛精度。
The concepts of second order fuzzy random variables and mean square convergence of sequences of fuzzy random variables are introduced. Some related properties are proved.
给出二阶模糊随机变量和模糊随机变量序列均方收敛的概念，证明了一些相关的性质。
The second iterative formula(II) is also one-step iterative formula and has three order convergence at single root.
迭代公式II也是一种单步迭代公式，在单根附近具有三阶收敛速度；
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