The indefinite integral calculation is one important sector in calculus.
在大一的数学教学中，不定积分既是一个重点也是一个难点。
An integral calculation model of seamless turnout-beam-pier was established.
建立了道岔-桥梁-墩台一体化计算模型。
Utilize this relation, in a position to make some integral calculation to be easy.
利用这一关系，可给某些积分的计算带来方便。
The method of the definite integral by substitution is one of the main techniques among the definite integral calculation.
定积分换元法是定积分计算的主要方法之一。
This article aims to inductive probability knowledge in the series, limits and integral calculation principle and illustrate the application.
下面我们就针对高等数学中的某些级数、极限和积分的计算，通过找到它们之间的联系，运用概率思想进行解答。
After finishing the detailed analysis and integral calculation of the aperture girder, then summarize relevant conclusion from main girder's aperture effect.
在完成对开口主梁细致完整的计算分析之后，总结主梁开口效应得出相关结论。
Then, the complex integral calculation problem in the reliability model of stress and strength interference was simplified by using the Monte Carlo Simulation Method.
其次，采用应力与强度干涉模型和蒙特卡罗模拟法，解决了可靠度计算公式中复杂积分的计算问题。
With a very few times of numerical integral calculation, the final scheme of emergency control maintaining the transient stability of power systems can be determined.
通过很少次数的数值积分，便可以快速准确地遴选出保持系统暂态稳定的控制方案。
The direct problem was solved by DRBEM, which eliminated the drawback of domain integral for classical boundary element method and resulted in pure boundary integral calculation.
正问题采用双倒易边界元法求解，该法避免了传统边界元法需进行区域积分的缺点，仅需纯边界积分计算。
P- restoring force model, simplified calculation methods of ductility coefficient and energy dissipation are given on the basis of integral calculation and parameter analyze for CFRST.
在数值计算和参数分析的基础上，提出矩形钢管混凝土压弯构件荷载—位移恢复力模型，延性系数和耗能比的简化计算方法及相关计算公式。
This paper gives some approximate formulas of the integral average value for experimental calculation on the basis of the integral mean law. Examples are given for explanation.
本文依据积分中值定理给出了适宜于实验计算的积分平均值的近似公式，并举例加以说明。
Gauss Integral method is populated due to its high algebraic accuracy in index calculation.
在指标计算中，高斯积分法以其代数精度高经常受到人们的青睐。
As mentioned earlier, one of the applications of the integral is the calculation of area. Ordinarily, we do not talk about area by itself, instead, we talk about the area of something.
就像前面提到的，积分的一个应用就是面积的计算，通常我们不讨论面积本身，相反，是讨论某事物的面积。
Calculation formulae of local contraction amount of integral forming for two typical two-way curved plate and complicated curved plate are deduced.
推导了两种典型双向曲度板和扭曲板的整体成形所需局部收缩量的计算公式。
Compared with the sectioned and graphic convolutions, the method is able not only to express directly the integral functions but to simplify the calculation.
该法与分段卷积法和图解卷积法相比，不仅可直接表达积分函数，而且又能简化卷积计算。
It is suggested that transformation relation between spatial local coordinate system and integral coordinate system be established by vector method, which simplifies coordinate calculation of to.
提出了运用向量法建立空间局部坐标系与整体坐标系的转换关系，从而使趾板坐标计算简捷方便，且易于设计修改。
The error of integration and integral sum are often considered in approximation and(calculation).
在近似计算中常要考虑积分与积分和的误差。
The paper also deals with the influence of pressure variety of ice crystal on temporal integral step-length and calculation of stress-field.
讨论了与冰晶体压力相关的相变温度变化对空间离散系统数值积分和应力计算的影响。
In a series of problem in probability calculation need for understanding the signification of integral variable and using graphical representation as an assistant tool.
在概率的一系列计算问题中，需要准确认识积分中变量的意义和利用图示作为辅助工具。
Although both of the two method have important learning value, but they are just fit for integral systems and can not be grasped by most people because of the complex calculation.
这两类方法虽然功能强大，但只适用于可积系统，且数学计算非常复杂而不能被大多数人掌握。
Its basic calculation method is based on the adding integral, multiplication, division and so on, which can be easily completed by computer.
其基本计算方法是基于累加积分、乘、除等运算，这在计算机上极容易完成。
The distribution coefficient of the mill building's integral space action is explained by an example of calculation, which is compared with the value of that in current codes.
并通过一个厂房实例的计算对厂房整体空间作用分配系数与现有参考文献的分配系数取值进行比较。
To verify this method, comparing the result with direct integral, the difference is very small, but the calculation rate is efficient.
分析结果与直接积分进行对比相对偏差很小，验证了方法的正确性，同时使计算速度得到了提高。
In numerical calculation, the paper employs the collocation method to compute the coupled boundary integral equations with quadrangle constant elements.
数值计算采用配置法计算耦合的边界积分方程，使用四边形常单元。
From the theory and examples, the article points out why in the symmetric block the calculation of the double integral is easy to go wrong and offers some methods to avoid errors.
从理论和实例两个方面，指出了对称区域上二重积分计算中易出现问题的原因，并给出了避免错误的方法。
A practical method for formation of envelope surface is introduced in the paper. And a programmed calculation method for manufacturing integral impeller with a four-coordinate NC miller is presented.
介绍一种形成包络面（等距面）的实用方法，提出一种用四坐标数控铣床加工整体叶轮的程序计算方法。
In the calculation of the DGF, it is simplified by using the integral transformation and replacing the multi-infinite summation with a single one.
在具体计算中，由于应用积分变换以及将多重无穷求和化为单一无穷和，极大地简化了计算，节省了计算时间。
In this article, the author states calculation methods and construction methods of the building integral transition technology.
介绍了建筑物整体平移技术的计算方法及施工工艺。
Solutions of the boundary layer momentum integral equations of vanes in centrifugal pumps are given and their calculation method and their illustration with example are given too.
给出了离心泵叶片表面的边界层动量积分方程的解的构造及其计算方法，并以计算实例说明了该解的唯一性和算法的稳定性、收敛性。
Due to intense oscillation of these integral, calculation using direct numerical integral, i. e., GPSS (the generalized point source synthesis method), is complex.
由于这类积分的强烈振荡性，直接数值积分，即通常的广义点源叠加方法(GPSS)，计算比较复杂。
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