mathematical group
英
美
[网络] 数学组
双语例句
- A mathematical model for extracting the anomaly information of synthesis precursory group is set up.
建立了Synthesis法前兆群体异常信息提取的数学模型。 - Based on the semi-analytical solution of Hamilton canonical equation, a new mathematical model for the vibration characteristics of a group of double-shell structures is proposed.
以Hamilton正则方程的半解析法为基础，为一类双壳结构的振动特性提出了一种新的数学模型。 - A more accurate physical image and mathematical formula is presented to calculate negative group velocity dispersion generated by a pair of prisms a wedge lens in femtosecond laser.
给出了精确计算楔形镜与棱镜对组合系统群速度色散量的物理图象和数学表达式。 - By using genetic algorithm, the solution of optimal mathematical model for the project group is studied. The single-object optimal programming is extented into multi-object genetic algorithm.
利用遗传算法对项目群优选数学模型的求解进行了新的探索，并在单目标遗传算法程序的基础上，拓宽为多目标遗传算法。 - At the same time implemented machine proof of some mathematical theorems ( Group theory) and logical Inference of statements.
与此同时，实现了一些数学（群论）定理的机器证明，命题的逻辑推演等。 - Practice Research on Senior School Students 'Application Capability Training in Mathematics Through Establishing the Mathematical Modeling Interest Group
利用数学建模兴趣小组培养学生数学应用能力的实践研究 - The article has first analyzed the examination paper appraisal target, each target function, has established the intelligent group volume mathematical model; Then elaborated has tried the question bank group volume system general the design concept and the realization method and introduced the genetic algorithm realization process.
文章首先分析了试卷的评价指标、各项指标的作用，建立了智能组卷的数学模型；接着论述了通用试题库组卷系统的设计思想及其实现方法并介绍了遗传算法的实现过程。 - After it, the Referential Uniform Reduction Method is to be applied. Special defects and defacements could be introduced into the mathematical model of the structure, and a group of the load-displacement curves representing different states of imperfections were obtained.
其次，应用参考统一折减法，能够将一定的损伤缺陷引入结构有限元计算模型，得到对应于不同损伤缺陷程度的一组结构荷载位移曲线。 - The set of molecule symmetrical operation meets the definition of mathematical group.
分子的全部对称操作的集合完全符合数学群的定义。 - Solving nonlinear differential equation is one of the best difficult field in applied mathematics and mathematical physics, but Lie group is a better tool on it This paper will describe software package Lie symmetry of solving ordinary and partial differential equation realized by using REDUCE language.
求解非线性微分方程是应用数学和数学物理中最艰难的领城之一，而Lie群则是这方面强有力的工具。本文描述REDUCE语言实现的求常、偏微分方程Lie对称的软件包。