查询词典 rectangular cartesian coordinate system

To reduce the data size of CAD product model, we presented an algorithm to compress the B-spline curves and surfaces based on second-order prediction in local coordinate system.

B样条曲线曲面密集控制点是造成CAD模型数据量庞大的因素之一，对其进行压缩编码，能有效减少CAD模型数据量。

In 2008, based on the coupling relationship of motion between bush segments and axle journal, Wang Liping and some other scholars [15] established a local coordinate system of bearing pad.

2008年，王丽萍等[15]基于瓦块和轴颈间的运动耦合关系，建立瓦块局部坐标系统。

The sixgimbal systems is actually the combination of inertial and local level simulated coordinate system, its basic navigation model is the expression which describes the ESGM's operating principles based on kinematics.

六常平架系统实际上是模拟惯性坐标系和模拟地平坐标系的组合，其基本导航数学模型是从运动学角度出发，描述ESGM的基本工作原理的表达式。

This paper depicts the geometric model establishment of coordinate lofting of saddle shape curves and its contents and characteristics, as well as the application method of the program system.

文章介绍了马鞍口放样坐标几何模型的建立及机算程序设计内容和特点，并通过实例说明该机算系统的应用方法。

The Lorentz transformation does not represent the two coordinate system with two reference of both time and space.

洛伦兹变换的两坐标系不能代表两参考物的两个时空。

Socialist market economy should innovate through the system, coordinate equality of the main chance and the concern with equal fortune.

社会主义市场经济应该通过制度创新，协调好机会平等与财富平等的关系。

It finds out that with stock-out cost existing the order quality from the loss-averse retailer may deviate from the optimized quality of the system, and markdown money contract can coordinate the supply chain.

研究结果表明损失厌恶型的零售商在批发价格契约下的订货可能偏离系统最优订货，供应商通过价格补贴契约可以协调整个供应链。

In this paper, the basic principles of vector control, coordinate transformation, the mathematical model induction motor control and fuzzy theory, for vector control characteristics, the design of a rate based on fuzzy logic controller to form a new vector control system, using MATLAB / SIMULINK Software simulation analysis.

本文阐述了矢量控制的基本原理、坐标变换、异步电机的数学模型以及模糊控制理论，针对矢量控制特点，设计一个基于模糊逻辑的速度控制器来组成新的矢量控制系统，利用MATLAB/SIMULINK软件进行仿真分析。

Mathieu function is the base of field theory analysis in elliptical cylinder coordinate system. So, firstly, detail investigation has been given about the problem of numerical analysis of Matheiu functions, based on the predecessor's contribution, an improved faster algorithm of numerical analysis and confirmation algorithm of Matheiu functions has been presented.

Mathieu函数是椭圆柱坐标系统下场论分析的基础，因此本文首先对Mathieu函数的数值计算问题进行了详细研究，并在前人基础上完善并进一步改进了目前被认为较为可行的数值算法，并提出了验证算法。

Camera calibration is done to get inter nal projection matrix of cameras and the rotation transformation matrix and tran slation vector between two camera coordinate system.

算法通过相机标定获得投影矩阵、相机坐标系间的旋转变换矩阵和平移向量。

Chimborazo and Cotopaxi, took me by the hand.

越过琴博腊索山和科托帕克西山。

This car is in a good condition.

这辆车的状况很好。