查询词典 mathematical

Firstly,the cartesian coordinate system of joint mechanism is defined,and a mathematical model is constructed to express the relationships among the structure parameters,workplace and dynamic features of the driving joints.

通过定义关节结构的笛卡尔坐标系，建立反应关节结构参数与工作空间、动力学特性之间的数学模型，得出了腕关节在不同动作方式下的驱动原理，最后利用CATIA对腕关节结构进行了电子样机分析。

It is constructed by both kind of'thinking-mathematical operations, one is to truncate the mark Cartesian coordinates by two hyperpl...

也是人类非单调推理的一个自然的数学表示框架。

The unified mathematical description of these two ways usually uses the Cartesian coordinates or polar coordinates formulas.

这两种表示的数学描述通式，一般是在直角坐标系下的点或者矢量表达式。

A visit to Paris in 1672 introduced him to the 'new philosophy' of Cartesianism and to the mathematical and mechanistic physics of Christiaan Huygens.

阿在1672年访问巴黎介绍他的'新哲学的笛卡儿'和对惠更斯数学和物理机械。

Good mathematical optimum design method is very important for improving the performance of cascades.

叶栅的数值优化设计方法对于提高叶栅性能、缩短叶栅设计周期和降低设计成本具有非常重要的实用价值，目前已成为叶栅设计研究领域中一个非常活跃的。。。

Casson fluid ; velocity profile ; temperature profile ; mathematical model calculation ; study

Casson流体；速度分布；温度分布；研究

The mathematical models in the condition of parameter variations are not only used to analyze the effects of parameters on system performance, but also play the important role in improving the celerity and veracity of identification algorithms.

在实时控制中，参数在线辨识算法的复杂程度直接影响系统控制的实时性和动态性能，而参数变化情况下系统的数学模型，不仅能够用于分析参数变化对系统性能的影响，而且对提高辨识算法的快速性和准确性有重要的作用。

The study of the mathematical model for such motion is called celestial mechanics , and involves a finite number of bodies moving under the effects of gravitational attraction given by the Newtonian laws.

对于这种运动的数学模型的研究称作天体力学，包括研究在牛顿万有引力定律作用下的有限个天体的运动。

The great English scientist Newton(1643~1727) published the book Mathematical Principles of Natural Philosophy in 1687. It sums up all his studies and brings forward the three fundamental laws of mechanics, the law of universal gravitation and the laws at celestial mechanics.

英国伟大科学家牛顿(1643~1727)在1687年版的《自然哲学的数学原理》一书总其大成，提出动力学的三个基本定律，万有引力定律，天体力学等。

The mathematical model of cellulase adsorption onto cellulose was constructed.

构建了纤维素酶对纤维素吸附和水解的数学模型。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。