但仍然想要沿着封闭曲线的线积分计算。
And, I still want to compute the line integral along a closed curve.
定积分换元法是定积分计算的主要方法之一。
The method of the definite integral by substitution is one of the main techniques among the definite integral calculation.
这部书告诉我们，人类的进化是完全可以通过微积分计算的。
This book tells us that the evolution of human beings can be fully calculated by calculus.
并举例说明这些特征在电子-离子碰撞的积分计算中的应用。
A example about their applications to integral calculations in electron-ion collision is given.
复变函数积分计算是复变函数课程教学的一个非常重要的内容。
Computation of the complex integral is very important content in teaching complex variable function.
这对于简化微积分计算，丰富微积分理论与教学具有重要意义。
This is of important significance to the calculation of calculus, the enrichment of the calculus theory and the calculus teaching.
用微分算子级数法得到分部积分公式，使一类积分计算变得十分简单。
By using differentiator series method, the formula of partial integration is obtained.
给出第二型曲面积分计算的几种方法，并举例说明了这几种方法的应用。
In this paper, we give a few methods for calculating second-kind surface integral and their applications.
多点地震动输入下反应谱组合系数可以采用数值积分计算，但效率低下。
One can calculate response spectrum combination coefficient under multipoint earthquake motion input by numerical integration, but it has a low efficiency.
通过矩阵变换，利用矩阵对称性、子结构等方法改进精细积分计算效率。
Utilizing the symmetry of matrices and the idea of substructure, the computational precision and efficiency of the PIM are improved.
它能够告诉你出生那天你所在城市的相对湿度；甚至还可以进行微积分计算。
It can tell you the relative humidity of the city you were born in on the day you were born, and it does calculus, too.
边界元法中存在拟奇异积分计算难题，它一直限制着边界元法在工程中的应用范围。
On account of the difficulty of evaluating the nearly singular integrals in boundary element method (BEM), the application range of BEM is reduced in engineering for a long time.
本文给出了线、面、体积分定义的一般描述，并导出了利用对称性简化积分计算的定理。
This paper gives the general description of the definition of curve, curved surface and triple integrals, and derives a theorem on simplified integration by using their symmetry property.
利用ABAQUS软件的显式积分计算模块，建立了一种简化的旋压加工模拟计算模型。
With the ABAQUS explicit integral model, a simplified simulating model for the power spinning was presented.
同时还指出了几本高等数学参考书中关于不定积分、二重积分、曲线积分计算中出现的错误。
And it also points out the mistakes in some Higher Mathematics Reference Books concerning indefinite integral, double integral and curve integral calculations.
目前的热流计在测量热量时需要测量供热管道的流量以及进出口温度，然后再对其进行积分计算。
The flux and the temperature difference between inlet and outlet of the heat-supply system must be measured when measuring heat flux by heat meter, and then the result can be calculated.
本文在复连域上引进势函数的概念，并给出其计算方法，以此来解决一些复杂的曲线积分计算问题。
This paper introduces the concept of potential function into the multiply-connected region and provides its method of computation in order to solve some complex problems concerning line integrals.
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。
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.
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。
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.
对管道上的表面裂纹采用线弹簧单元，建立了裂纹管道J积分计算的有限元模型，给出了J积分的计算实例。
For surface crack in pipe, this paper presents the finite element model including line spring element that is used for J integration calculation, as well as numerical examples.
本文讨论了配位多面体的群重叠积分计算问题，给出了这种群重叠积分的一般形式以及它们满足的一些关系。
The formulation of group overlap integrals in coordination polyhedra is discussed. The basic expressions and some sum relations of group overlap integrals are given.
在飞行器所在流场的下游一垂直于来流速度的截面上进行积分计算，得到升力、诱导阻力、激波阻力和总阻力。
By doing integral computation on the wake surface that is down from the aircraft and vertical to the velocity of far field, it can get the lift, induced drag, wave drag and the total drag.
定积分的计算是高等数学的重要内容之一，但在积分计算时可以结合积分区域的对称性和被积函数的奇偶性来简化计算。
Optimal calculation of definite integral can be obtained by combination of the odevity of function and the symmetry of integral domain.
根据数值计算误差的特点分析及小波包多尺度、高分辨的特性，设计了一种基于小波包的滤波器，较好地解决了消除数值积分计算引入误差的问题。
A filter is designed based on wavelet packet according to the features of numerical integral errors and those of multiple scales and high resolving power of wavelet packet.
对瞬变电磁响应的计算中采取的延迟谱方法和广义逆方法作了一些探讨，对积分计算的技巧进行较为详细的讨论，并给出数值实例和程序运行结果。
The techniques of the postponed spectrum and generalized converse to respond in TEM are discussed in detail. The numerical values of some examples and the result of the program operation are given.
从不定积分的线性运算性质出发，给出了计算不定积分的被积函数线性组合化、降幂的积分原则，并结合实例分析了这一原则在不定积分计算中的指导作用。
Based on the quality of linear operation about indefinite integral, the article puts forward an indefinite integral principle of making linear combination and reducing power of integrand.
那用什么坐标系来计算这个积分呢？
我们需要计算通量的积分。
我们知道如何计算线积分。
我们知道如何计算线积分。
应用推荐