The definition domains of the moment equation, the approximatedifferential line of deflection equation and line of deflection equation in Material Mechanics are quite different.
《材料力学》中出现的弯矩方程、挠曲线近似微分方程、挠曲线方程的定义域不尽一致。
2
The method of weighted residuals is a mathematic procedure with which approximate solutions can be obtained directly from partial differential equations.
加权残值法是一种可以直接从偏微分方程中求得近似解的数学方法。
3
With the aid of the projective operator technique, an integro-differential equation for the porbability density and an approximate equation for the mean first-passage time (MFPT) have been derived.