查询词典 mathematical models

Duffing equations and Liénard equations are two classical mathematical models in nonlinear oscillations, and have been studied extensively.

Duffing方程和Liénard方程是非线性振动中的两类经典的方程，也是人们研究的最多、结果非常丰富的方程。

When the economist Anirvan Banerji delivered his response to Roubini's talk, he noted that Roubini's predictions did not make use of mathematical models and dismissed his hunches as those of a career naysayer.

而且洛比尼自身就是一位末日论的鼓吹者，人们都知道他是一位永恒的悲观主义者，他是那种被经济学家称为"永恒的熊市主义者"的典范。

According to the Newton's second law of motion, the law of conservation of mass,and Bingham plastic flow equation of slurry,as well as under top cement pulsation,the mathematical models of one dimensional pressure pulse propagation downwards in the cement column was established.

文中根据牛顿定律、质量守恒定律及水泥浆的宾汉塑性流变性，在顶部水泥脉冲振动作用下，建立了水泥浆中，一维压力传播的波动方程的数学模型。

Otherwise, at NIH there was not much interest in mathematical models.

否则，在美国国立卫生研究院已经没有多少兴趣，数学模型。

In this thesis the dynamic property of viscoelastic damping material was first be explained on the basis of the characteristics of polymer molecular structure. The mathematical models describing the dynamic property of damping material were discussed and the nomogram curve-plotting program of damping property of material was compiled by Visual Basic language.

所以，研究粘弹阻尼结构的动态力学性能，首先要对材料阻尼性能的温度、频率依赖性进行准确的表征，进而才能探讨材料阻尼特性与结构动态力学性能之间的相关关系，以寻求抑制结构振动的内在规律。

On the basis of experiment results,and theory of soil water dynamics and solutetransport,mathematical models of NTT are established for the field conditions.

在试验的基础上，根据溶质运移理论及土壤水动力学原理，建立了田间条件下氮素运移与转化的数学模型，对田间淹水稻田和旱作农田中氮的运移、转化过程进行了数值模拟研究。

Based on the calciner physical model and hydromechanical onflow model, spouted calciner and swirling-spouted calciner adopted by Huaxin Cement Plant were analysed, and two mathematical models were proposed...

在借鉴分解炉物理模型和流体力学的湍流模型的基础上，对华新水泥厂采用的喷腾式和旋喷式分解炉进行了分析，提出两种数学模型，为优化分解炉结构设计提供了理论依据。

According to the mathematical models of GPS positioning and orbit determination, some programs were compiled for data testing.

基于GPS 定轨定位原理及数学模型，编制了相应的仿真程序。

Using inclination vector as a non-singular orbital element, engineering oriented mathematical models for inclination control of geosta- tionary orbit are established,and unified optimal strategies for inclination control both in north-south station aquisition and north-south station keeping derived.

本文以倾角矢量作为无奇点轨道要素，建立静止卫星轨道倾角控制的工程实用数学模型，进而导出南北定点捕获和南北位置保持两种情况下统一的倾角控制燃料最优策略。

Based on the local parametric representation of a curve, the mathematical models of planar mechanism optimum synthesis for the local path generation are built. Objective functions are constructed generally and for some special cases as well.

在平面曲线局部参数表示的基础上建立平面机构局部轨迹优化综合的数学模型，构造了一般情况下及常见特殊情形的优化目标函数。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。