被积函数

The symmetry of integral domain and the parity of integrand not only reflect the beauty of math, but also make integral computation more simple and convenient.

积分区域的对称性和被积函数的奇偶性不仅体现了数学美，而且可以使积分的计算变得简单又方便。

In this paper,the singularity in the integrand of electrical field integral equation for 3-dimensional vector fields scattering is first analyzed.

本文研究了电场积分方程中被积函数奇异性的处理方法，特别是三维矢量散射分析中出现的高阶奇异性，给出了两种解决积分方程奇异性的数值方法。

The vector surface integral equation can't be applied to numerical computation directly because its integrands possess the high order singularity.

矢量的面积分方程因其被积函数具有高阶奇异性，不能直接应用於数值计算。

Dept.of Microwave Eng.,UEST of China,Chengdu 610054,ChinaAbstract:In this paper,the singularity in the integrand of electrical field integral equation for 3-dimensional vector fields scattering is first analyzed.

本文研究了电场积分方程中被积函数奇异性的处理方法，特别是三维矢量散射分析中出现的高阶奇异性，给出了两种解决积分方程奇异性的数值方法。

The first term of the integrand represents the contribution to the error power due to noise.

被积函数的第一项表示噪声对误差功率的影响。

The upper limit t and varable t in the integrand in Boltzmann hereditary integral are expressed as different forms, and explained as another meaning in this paper.

对以往遗传积分的表达式中积分上限t和被积函数中变量t给以不同的解释。

On the other hand,Raymond considered systemsgoverned by linear elliptic and parabolic differential equations with the integrand in costfunctional has to be concave in the state variable.

在那里，指标泛函中的被积函数关于状态变量必须是凹的。因而，那里所给的条件和Cesari条件是互不包含的。

The integrand in the variational principle is rewritten in symmetrical form for duality variables.

变分原理被积函数可导向对于对偶变量为对称的形式。

The fact that the integral variable of the inverse transform appears in the denominator of integrand reduces resolution of the numeral integral and blocks the application of them.

为此构造了一种新型的连续小波变换，不论对积分变量如何剖分，任何一种数值积分方法都具有高分辨特性，且积分变量不出现在被积函数的分母上，进而给出了相应的数值解法。

We have considered the analytic property of the integrand in the complex plane for the calculation of the Casimir force when the metamaterials are concerned, and based on the theory of the Casimir effect for real media situation, we obtained the formula of the Casimir force for the planar structures containing metamaterials.

通过考察分析复频率空间内的含特异材料的介质平面板间Casimir力被积函数的解析性质，根据实际的介质平板间Casimir作用力的计算理论，推导得到包含特异材料的平面板间Casimir作塑料托盘用力的计算公式。

No clear conclusions can be made about the predictie alidity of specific measures, they found, except for criteria for the underuse of drugs for cardioascular disease.

除了心血管病不合理用药标准外，对于特定评价方法的预测效度没有明确的结论。

The third and last is that almost all of them, being infinite in number, have been impostures, and by idle and crafty brains merely contrived and feigned after the event past.

第三、即最后一点是：几乎所有这些不胜枚举的预言都是欺人之谈，都是在事件过后由无聊而狡猾的脑筋推测与凭空捏造的。