查询词典 mathematical

In this paper,a mathematical model of methane combustion in tubular chamber is established.

在燃烧室中，各种组分的燃烧过程以及燃烧结果已经成为各企业所关注的重点。

The article said that Herschel had developed a "new theory of cometary phenomena"; he had discovered planets in other star systems; and he had "solved or corrected nearly every leading problem of mathematical astronomy ."

文章说赫舍尔已经发展了"彗星现象的新理论"，发现了其他星系的星球，而且他已经"解决并更正了几乎每个数理天文学的主要问题"。

Commensuration」is originally a mathematical concept.

通约」原是一个数学概念。

On the basis of compound ANCE structure, a mathematical model is established for ANCE with communication signal compensators, which can be called active noise cancellation communicatory earmuff .

运用该模型分析了有源消声对通讯信号的影响，构造了通讯信号的补偿方案，给出了补偿器的设计目标。

Other semirings arise naturally in such diverse areas of mathematics as combinatorics, functional analysis, topology, graph theory, Euclidean geometry, probability theory, commutative and noncommutative ring theory, optimization theory, discrete event dynamical systems, automata theory, formal language theory and the mathematical modeling of quantum physics and parallel computation systems.

在许多不同的数学领域存在着其它形式的半环，比如组合学，泛函分析，拓扑学，图论，欧式几何，概率论，交换和非交换环，优化论，离散动力系统，自动化理论，形式语言理论，量子物理的数据模型和并行计算系统。

The optimum design of variable distance mechanism of side slope compactor was performed by means of mathematical programming method and optimum design principle.

用数学规划法和"最优设计"原理对边坡压实机工作装置的变距机构进行了优化设计。

In the first chapter, we research the dynamics of population which were in the polluted environment, we will: give the corresponding mathematical model;(2): obtain the explicit conditions for the threshold of the population by means of comparison theorem.

第一章是研究污染环境中种群的动力学行为，首先给出相应受污染系统的数学模型，然后研究系统中种群的持久生存和灭绝问题，在具体模型中，运用比较定理研究种群生存的阈值。

The definition of objects by precise mathematical formulae was compellingly beautiful to engineers.

工程师认为用精确的数学公式对目标对象进行定义是最好的。

This paper gives a compensative algorithm based on homologous thicking in mathematical morphology.

本文从数学形态学的理论出发，提出了一种同伦粗化的补偿算法，在实践中取得了良好效果。

At first, a model for selecting optimal parameter v in v-SVM is presented in this paper, which bases on mathematical programming with equilibrium constraints. The model is a nonlinear problem which has smoothed objective function and with complementary constrains.

首先本文给出了一种基于平衡约束规划的v-支持向量机中参数选取模型，该模型是一个具有光滑目标函数的且带有互补约束的非线性规划问题，通过求解该问题得到v-SVM中泛化性能较好的参数v，并进行了数值实验，证明了该方法的有效性。

I can still vividly recall the impressive scenes you gave. You were among my friends and relatives who accompanied me from my house to the seaport and when the porters were slow to show up, you obligingly carried my suitcase for me.

你对我的种种感人情意，使我记忆犹新，那天你随着我的亲友从家里送我上轮船，搬运工迟迟不来，你毅然替我提着皮箱上船。

St. Nicholas became the patron saint of Russia, where he was famous for his red cape, flowing white beard, and bishop's mitre.

圣尼古拉成了俄罗斯人的守护神，在那里，他以身披红斗篷，留着飘逸的白胡须，戴着主教法冠而闻名。