mathematical group
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美
[网络] 数学组
双语例句
- A Theorem About the Mathematical Structure of Renormalization Group Equation
关于重整化群方程数学结构的一个定理 - The mathematical model of balanceable inter-electrode gap in high frequency group pulse electrochemical machining is presented. Based on the model, the relationship between the main pulse frequency of supply power and the balanceable inter-electrode gap is discussed.
给出了脉冲电化学加工极间平衡间隙的数学模型，并据此讨论了高频群脉冲电化学加工中，电源主脉冲频率与平衡加工间隙的关系。 - With the methods of documentary data, experiment, and mathematical statistics, the elements among multiple element group training method are introduced.
采用文献资料、实验、数理统计等研究方法，简介多元组合训练法的要素。 - 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 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。 - 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。 - The group encryption communication and group signature-authentication of power system with above characteristics are put forward. The mathematical structure of group encryption communication system, encrypt-decrypt algorithm and the generation methods of group secret key, group public key are given.
文中提出具有这些特征的电力系统集团加密通信与集团签署认证系统，给出了集团加密通信系统的数学结构，加密解密算法和集团秘密钥匙、集团公开钥匙的生成方法； - 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。 - This satellite mechanical model is used to shrink the satellite structure, through mathematical means, into a group of data of totally equal value in mechanics.
这种力学模型，是指通过数学手段把卫星的结构减缩成力学上完全等价的一组数据。 - Mathematical Model for Temperature Control in Hot Strip Finishing Mill Group
带钢热精轧机组机架间冷却控制数学模型