法的理论

The method of seeking for the statistical parameters of Pearson Ⅲ distribution with maximal likelihood methodis recommended to ascertain the urban storm intensity formula .

本文根据极大似然法推求统计参数的理论，提出在推求城市暴雨强度公式时可以采用极大似然法计算皮尔逊Ⅲ型分布统计参数的方法，经推求浙江省暴雨强度公式的实践检验，证明该方法是可行的

We put forward a new theoretical method named direct laser spectroscopy method, it holds some goodness which spectral method has not, it also showed that it was one of the best methods in molecular dynamics simulation by combined with the best method named chebychev polynomial expansion in time dependent wave packet theory. This had been approved bv example of H〓.

我们提出了一种新的理论方法即直接激光光谱法，这种方法具有以往常用的谱方法所不具备的优点，即高效性，并且通过与含时波包理论中最具有优越性的切比雪夫多项式展开方法结合，使得这种方法在动力学模拟中具有极大的优势，并以H〓分子为进行实验例。

Furthermore the existence condition and the variation principle of the differential equation are discussed, and the theory gist of the step-time technologies is presented.

应用相关的势算子理论对抛物型偏微分方程的泛函存在条件及变分定理进行了较系统的讨论，进而指出了"时间步进有限元法"各种处理方法的理论依据。

This subject combines the basic principle of the calculus of variation and and reply and change basic theories of the function according to fracture mechanics, use mechanics, mathematics knowledge to set up corresponding mathematical model, derive out a series of mechanics and mathematics theory formula, work out procedure carry on number value calculate, to include edge crackle round stress intensity factor of component go on, ask, solve.

本课题结合变分法的基本原理并根据断裂力学和复变函数的基本理论，运用力学、数学知识建立相应的数学模型，推导出一系列的力学及数学理论公式，编制程序进行数值计算，对含边缘裂纹圆形构件的应力强度因子进行求解。

The following work has been done in this paper: Pseudo random number theory and method has been studied by the numbers. A software system based on RBD and simulation experimentation has been developed. Some examples were given to validate the correctness of pseudo random number theory and method. Comparing this software with former version in function. Comparing this software with BlockSim software.

本文主要开展了以下的工作：全面系统地研究了伪随机数的产生理论和方法：开发了"基于可靠性框图+模拟实验法的可靠性、维修性计算软件"；给出算例，对伪随机数的产生理论和方法进行了正确性验证；与前一版软件进行了功能上的对比；与BlockSim软件进行了对比。

Based on Baard's theory of data snooping, this paper studies the charactri- stics of the reliability matrix in dynamic surveying system. The influence pattern of the gross errors in models of state and observation on the residual errors is discused.

自巴尔达教授提出可靠性理论和数据探测法以来，经各国学者的进一步研究和完善，在静态测量系统的数据处理中得到广泛的应用，并形成了比较完备的理论体系。

Aimed at the scantiness of segment method which is used in comprehensive evaluation model of interval-number,based on reamer intercept method,considering the model s stability,using attribute recognition theoretical model for reference.

针对现有区间数综合评判模型中，生成区间数所依据的线段法的不足，以刀切法思想为基础，通过模型的稳定性分析，借鉴属性识别理论，提出了一种以增强模型稳定性为目的的改进方法。

The principles and methods of present tangent method and secant method are also described in the paper.

全压力史拟合方法的理论模型是：地层均质、等厚、无限大，充满弱可压缩流体，考虑井筒中存在表皮效应和井筒存储的影响 3、通过使用有限元法对脉冲试井过程进行了数值分析计算，得到了脉冲试井的不同条件下的理论曲线，提出了脉冲试井数值分析方法。

This part expounds the meaning, the features, the operation sequence and the functions of the Model Education Method to pave for the deepening study.

本部分主要对榜样示范法的定义、内涵、特点、运作过程和功能几方面的内容进行了重新的梳理和阐释，从而为后文榜样示范法的发展研究作好理论铺垫。

Firstly, this thesis puts forward the theoretical formula of the Volume method to compute the flood submerging range; secondly, the discrete method is used to solve the numerical solution of this formula; finally, the model based on Volume method is achieved.

首先，本文提出了用"体积法"计算洪水淹没范围的理论公式，然后，通过离散的方法给出了该公式的数值解，从而最终推导得出了用"体积法"计算的数学模型。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐