级数的

How to calculate the sum of P-series by Fourier series ;2. Fourier series was utilized to fit the stress and strain of tire in a rolling cycle by means of mechanic-field analytic result.

利用轮胎力学场的数值分析结果，采用傅立叶级数拟合单元在轮胎滚动一周内的应力-应变变化，并根据拟合后的傅立叶系数计算轮胎单元损耗应变能和生热率，分析了轮胎在不同速度时的温度场。

The series expansion for the potential distribution in whole space with the potential distribution on the symmetric axis is derived,some examples are given.

提出了求解轴对称静电场的柱函数展开法，推导出用对称轴上的电势分布表示空间电势分布的级数展开式，并给出了求解轴对称静电场的例子

In addition, new proofs are presented for two symmetric difference identities, as well as Ramanujans congruence modulo 11 on the partition function.

此外，作者重新证明其中另外两个对称差恒等式，并利用Chan的_∞~(10)的二重级数表示公式重新确认Ramanujan的关于分拆函数的模11同余性质。

In chapter two, based on the property of uniform plane wave, field at boundary node is expressed with field in the computation region and expanded as Taylor's series. By truncating it at second order, a concise ABC is obtained.

首先，在第二章中，利用均匀平面波的特性，将边界节点上的场用计算区域内部的场表示，利用Taylor级数展开并截断到二阶，得出了一种形式十分简明的频域二阶吸收边界条件。

The weak formulation permit is satisfied not point by point, finite element method balances only at node neighborhood, in unit balance is not required, in analytical method single check from infinite series does not satisfy the equation, but infinite number of points satisfy the equation, and then the weak formulation of dual system of Hamilton equations was educed.

基于基本方程和边界条件的弱形式，给出相应的广义变分和不同形式的有限元所采用的弱条件，说明弱形式允许不是逐点满足，有限元法只在节点邻域平衡，在单元内不要求平衡，解析法用无穷级数中单取一项也不满足方程，也是无穷多项在积分下满足，进而导出对偶体系弱形式哈密尔顿方程。

There are TAIHONG 2LPSE0503MW-250 single unadhesive ED flexible copper coated lamination and Nippon Steel CIPW-25080 single ED FCCL.Regards to photoresists, Dupont FX915 dry film would be the best choice for the production of COF FPC after the comparison in photosensitive property, resolution, adhesiveness and operating procedure between the different resist thicknesses of Dupont FX900 series.

光致抗蚀剂方面：通过对比杜邦FX900系列两种不同抗蚀层厚度干膜(FX930与FX915)的感光性能、分辨率、附着力、操作工艺等，确定出杜邦FX915(抗蚀层厚度15μm)为更适用于COF挠性印制板制作的干膜；并对干膜的曝光参数进行了优化，最佳曝光级数5级(相对于21级曝光尺)，曝光能量片式150mJ/cm~2、卷式110mJ/cm~2，使其更加适合于精细线路的制作。

Because the curve radius of easement curve gradually changes, the formula for calculating the coordinates can not be obtained with the method of integration.

由于缓和曲线的曲率半径是逐渐变化的，不能用积分的方法求得其上点位坐标的计算公式，以往都是用级数展开进行近似计算。

Based on the Elliott wave principle, we propose an N-shaped wave technical index, and use the physical strength of slope, potential energy, angle, length, and time to construct back-propagation neural networks, and forecast Taiwan stock market trend.

以艾略特波浪理论为基础，提出一个N型波浪形状的技术指标，利用N型波浪的斜率、位能、夹角、长度、时间的物理力量建构符合泰勒级数精神的倒传递类神经网路对台湾股票市场中期趋势加以探讨。

In the case of summoners, their pets will grow a certain number of levels before they stop growing, after which they'll be replaced by a new version of that pet.

拿召唤师举个例子，他们的宠物会在一个阶段内升有限制的级数，当达到等级上限的时候将会被新形式的宠物所取代。

Because the formers mainly used morphological methods, such as step number and elevation of terrace, canyon character, relationship of topographical units, there has no unified conclusion to origin of the Three Gorges.

Willis在1903年提及，迄今已有近100年的历史，但是由于前人主要依据阶地的级数、高程等特征，三峡峡谷特征，地貌间相互关系等地貌学方面的研究，造成三峡成因上的次成谷和先成谷之争、三峡形成时间早晚之争一直难有定论。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。