级数的和

The zeta function of Euler and Riemann, expressed as an infinite series and a curious product over all primes.

该zeta函数的欧拉和黎曼，表达了作为一个无穷级数和好奇的产品超过所有素数。

Reducing the stage of the distributed amplifier and using interstage matching network can reduce the dc power consumption and achieves flat gain.

并且利用减少分散式放大器之级数和级与级之间的匹配来达到平坦的增益和减少直流功率损耗。

The theoretical deduction and many experiments discovered that reaction of isocyanate with water is second order in room temperature, and the water and isocyanate are first order to the rate respectively.

通过理论推导和大量实验证明，室温下异氰酸酯与水的反应可以使用准二级方程描述，水和异氰酸酯基的分级数都是1。

Using Fourier series expansion,Laplace transform and state space technique,the exactand closed form TFM solutions of natural frequency and buckling loads of composite cylindricalshells under arbitrary boundary conditions and external disturbances are obtained.

基于线弹性小变形理论，利用Fourier级数展开、Laplace变换和摄动方法，建立了各向同性材料和复合材料薄壁圆锥壳的静力响应、频率响应、自由振动与屈曲特征值问题的渐近传递函数解。

In this paper, a new model adaptation using vector Taylor series is presented, which adapts the mean vector and covariance matrix of hidden Markov model.

该文将矢量泰勒级数用于模型自适应，同时对HMM模型的均值向量和协方差矩阵进行变换，使其与实际环境相匹配。

7 We have used the terms order of a reaction and molecularity of an elementary process. What

反应级数和基元反应的反应分子数之间有关系吗如果有，请叙述。

Basic properties of Fouries series and the Fourier transform; Poission summation formula; convolution; mollification.

傅立叶级数和傅立叶变换的基本性质；泊松叠加方程；卷积；缓和？

In the solution process, the basis vectors can be obtained from the matrix perturbation or the Neumann series, and then the Epsilon-algorithm was used to obtain the approximate eigenvectors.

在求解过程中，利用Neumann级数产生基向量，然后用Epsilon算法求出近似特征向量，最后用Rayleigh商分析，求出了修改后结构的近似特征值和特征向量。

To evaluate the precision of solutions obtained by modal series method, normal form method and linear modal method, an error index describing the approximation to the nonlinear simulation is defined and then applied to the same system.

为比较模态级数法、正规形法和线性模式分析法所得解对时域仿真解的逼近程度，定义一误差指标，并在4机2区系统中做相关分析。

Based on the theory of modal superposition and power series expansion, a modal superposition method for the sensitivity analysis of FRF is proposed in this paper.

基于模态展开和幂级数展开原理，提出了一种频响函数灵敏度分析的模态展开法。

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。