查询词典 Cartesian

A new category of domain and its full subcategory are constructed, and then maximal Cartesian closed full subcategories of these categories are determined.

引入了一类新的Domain 范畴与其满子范畴，并确定了它们的极大的笛卡儿闭的满子范畴等。

Aerotech positioning stages range from economical ball-screw and gear-driven linear and rotary stages to the highest performance direct-drive linear and rotary stages available; linear-motor-based Cartesian gantry systems; single and multi-axis air-bearing systems; and our complete range of nanopositioning stages.

再往上一层，Aerotech提供精密的运动平台，从精度为micron等级的线性马达平台，直驱马达平台，自精度等级为sub-micron的空气轴承平台均有提供，最近更推出ANT系列长行程奈米定位平台，提供丰富的产品线。

One construction of Cartesian authentication codes from the normalform of Idempotent matrices over the field Fq is presented.

本文利用有限域上幂等阵的相似标准形，构造了一个Cartesian认证码，并计算出该码的所有参数。

Starting with the basic concept about particle transport and the universal form of transport equation, the discuss is concentrated upon the transport equation and the implicit difference scheme under 3-D Cartesian coordinate, as well as the transport equation and the discontinuous finite element scheme under 2-D cylindrical geometry.

从粒子输运的基本概念和输运方程的一般形式入手，重点讨论了三维直角坐标中子输运方程和隐式差分格式，以及二维柱坐标中子输运方程和间断有限元格式。

An evaluating algorithm of maximum inscribed circle for roundness error in the Cartesian coordinates and a measurement model of roundness error is introduced in this paper.

介绍了一种在直角坐标系下利用最大内接圆法评价圆度误差的方法，建立了圆度测量模型。

Based on the theory of robotics, manipulator's kinematics equation is established and inverse kinematics analysis and calculation is made by algebraic solution after simplification, besides, Cartesian-space schemes, working space and singularities are also taken into account.

在机器人学的理论基础上，使用D-H方法建立了机械手的运动学方程；通过问题简化，利用代数解法，进行了逆运动学分析和计算，并对机械手进行了笛卡尔坐标轨迹规划，为后续控制系统的设计及机构运动仿真提供了依据；分析了机械手的工作空间、奇异性；介绍了建立机器人动力学方程的常用方法。

His thinking is a curious melange of leftism, dirigisme and liberalism whose Cartesian logic sometimes seemed crystalline only to himself.

他的思想很古怪，融合左翼，政府对国民经济的干预主义及自由主义，他的笛卡尔逻辑有时似乎只对他自己透明。

Considering the complicity and higher predicted water cut in the polymer flooding model developed by Zhou Zhijun,expanding this model by Maclaurin series,a linear relation was obtained between d(Wp-aNp3)/dNp and Np in Cartesian system.

针对周志军等建立的聚合物驱驱替特征模型较为复杂、应用不方便，且后续水驱阶段预测偏差较大的问题，将该模型用麦克劳林级数展开，推导出d(Wp-aNp3)/dNp与Np在直角坐标系下存在线性关系。

A series of formulae of calculating physical base and space metric tensor for 3-dimensional non-Cartesian tensor are presented which can be used to obtain the mathematical model for describing geometry and mechanics of continua such as oil and gas in energy-deliverying.

文章提出了三维非笛卡儿张量的空间度量张量的一系列计算公式，可借以建立油气输送等复杂系统的动量或能量传递的物理问题在任意坐标系中的数学模型。

This paper has presented the formulae of calculating physical base and space metric tensor for complicated system, these formulae are developed by using non-Cartesian tensor analysis and introducing physical base.

本文基于非笛卡儿张量的分析，并引入了物理基，提出了复杂系统的空间度量张量的一系列矩阵公式，据以求出任意曲线坐标系中的数学模型。

"The operators will suffer a temporary decrease in the number of consumers and short message services as people may not like having to provide their ID cards for a phone number," Xu Junqi, vice-dean with the Policy-Making Institute of the Telecommunications Research Centre under MII, said yesterday.

信息产业部下属的通信决策研究院副主任徐俊其昨天说：&实行手机实名制后，人们可能不太情愿用身份证注册手机号，所以通信运营商会暂时面临用户减少和短信用户减少的问题。&

I don't believe in make-believe!

我不相信这些虚构的故事。