The sum formulas of several kinds of ordinary series with function term are deduced by using the method of solving linear differential equation.
本文试应用求解一阶线性微分方程的方法导出几类常见的函数项级数的求和公式。
Then by using multi-dimension Laplace transform, the computation formula of nonlinear transfer function matrices for MIMO bilinear system are deduced.
然后，利用多维拉普拉斯变换，推导出双线性系统非线性传递函数矩阵的计算公式。
The seepage of CFRD joints is studied by using finite element calculation and complex variable function. The analytical equations of seepage quantity and gradient are deduced.
通过有限元计算和复变函数推导，系统研究了面板接缝的渗流规律，给出了接缝渗流量和渗透比降的解析计算公式，可用于面板堆石坝接缝渗流控制的设计。
Then the function relations among the geometrical controlling parameters of sliding surface and the internal stability safety factor are deduced.
从而获得了滑移面几何控制参数与内部稳定性安全系数之间的函数关系。
Based on the polynomial blending function, a kind of blending function-blending function class and a new type blending function-rational one are deduced.
从多项式型混合函数出发，通过数学变换，构造了一类混合函数—混合函数类。
The equations of continuity and quasi irrotationality are transformed into the potential stream function coordinates. Then a Laplace equation can be deduced for an aerodynamic parameter "q".
将改写后的无旋条件与连续方程联立求解，可在计算面上将叶型设计问题用标准拉普拉斯方程来表示。
The theoretical calculation method is applied to pipelines in this paper The function-cost equation in oil and natural gas pipelines is deduced. According to practice, the curves of F-C are drawn.
本文应用理论计算法，推导出输油（气）管道功能成本方程，并根据工程实际，绘制出了功能成本曲线图。
The theoretical calculation method is applied to pipelines in this paper The function-cost equation in oil and natural gas pipelines is deduced. According to practice, the curves of F-C are drawn.
本文应用理论计算法，推导出输油（气）管道功能成本方程，并根据工程实际，绘制出了功能成本曲线图。
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