积分的

The existence of periodic solutions of a neutral integro-differential equation with infinite delay was studied.

摘要本文考虑具无穷时滞中立型积分微分方程周期解的存在性。

The formulated shape functions have the property of delta function and the essential boundary conditions can be applied as easy as in conventional finite element method.

然而，在紧支径向基函数点插值方法的实现过程中，仍需要背景积分网格进行辅助计算。

The sensor output may be determined by stress changing, inductive loop denseness, magnetic field and magnetic permeability.

在外力缓慢变化的情况下，可通过求感应积分电压得到外力。

You can use the phone integral to the designated shopping.

你可以用手机积分到指定的商场购物。

Then the integral equation for determining the unknown forces in the problem can be changed into the algebraic one and solved numerically so that crack DSIF can be determined.

其次，推导了圆孔、裂纹对SH波散射的定解积分方程组，进而求得裂纹尖端动应力强度因子。

A path independent line integralof the deviator strain energy is proposed by the authors.

在线弹性情况下，推导出了积分与应力强度因子KI的关系。

In section 2 of chapter 2, we obtain the integral expression of Ф and prove the twice-continuous differentiability in (0,+∞).

在第三章第二节，我们得到了Ф的积分表达并证明了其二次连续可微性。

In section 3, we take account of Ф〓,Ф〓. Their integral expressions and twice-continuous differentiability are also obtained.

在第三节中，我们考虑Ф〓，Ф〓，它们的积分表达和二次连续可微性也被得到。

Based on initial condition, during certain time span, numerical analysis method of differential equation, algebra iteration and optimization method are used to solve response of generalized system and to analyze stability of generalized system.

从初始条件出发，在一定时间长度上，采用微分方程数值积分法、代数迭代和优化方法来求解系统响应，获得非线性广义系统稳定性的数值分析方法。

We will study the principle of integration by parts in the application of differential and integral calculus .

我们将探讨分部积分法在微积分问题化归中的应用规律，并对该数学方法进行示例。

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。