mathematical group
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[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 - Based on the median theorem and the diffraction principle, a novel mathematical model for particle group size distribution was presented in which the actual size distribution of particle group can be expressed equivalently with finite kinds of single size particle group.
通过分析粒子群的Fraunhofer衍射环的能量分布情况，从中值定理出发，建立了以有限种等效单径粒子群组合来确定实际粒子群粒径分布的数学模型。 - 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； - 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。 - 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。 - Mathematical Statistics Analysis for the Group Bubbles of Filter Elements Fabrication Integrity
滤芯结构完整性试验结果之群泡值数理统计分析 - 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。 - In this paper, by analyzing the existing schemes of group key distribution, we propose a mathematical model for scalable secure group key distribution schemes, and the dynamic security of group key distribution is formally defined based on this model.
通过对现有的群密钥分配方案分析，该文提出了可扩展的安全群密钥分配方案的数学模型，基于该模型形式地定义了群密钥分配的动态安全性。 - 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。 - 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。