Research on the Mathematical Models of Form and Position Errors for Rotary Surface in Rectangular Coordinates;
直角坐标系下回转表面形位误差数学模型的研究
By introduction of the finite difference method into the Symplectic system of mechanics of elasticity, a Symplectic difference format for plane rectangular coordinates was developed for elasticity problems under stress boundary condition.
将全区域离散的有限差分法引入弹性力学辛体系,建立了应力边界问题的平面直角坐标辛差分格式,用对偶的二类变量进行求解,可直接求得位移和应力。
This paper proposed an assumption on the basis of the operating characteristic of power systems,then made an improvement on Newton-Raphson power flow algorithm in rectangular coordinates.
根据电力系统的运行特点提出假设，继而时直角坐标牛顿－拉夫逊法潮流计算进行改进这种改进方法不但使雅可比矩阵元素的计算量大大减少，而且可提高计算速度、降低对计算机贮存容量的要求为直角坐标牛顿－拉夫逊法潮流计算的使用研究提供了新的依据
An algorithm of multi-balance bus based on rectangular coordinate current influx;
基于直角坐标注入电流形式的多平衡节点潮流算法研究
This paper deals with application of coordinate rotating transition in design cam contour line and gives some designing examples and its rectangular coordinate expression .
采用计算机绘制和数控机床加工凸轮廓线时,都要输入直角坐标值。
But in fact,this can also be done by rectangular coordinate.
3结点9自由度三角形薄板单元位移插值函数的构造,目前是通过使用面积坐标来完成的,而事实上,它也可以使用直角坐标来完成。
Authors design and implement a systematic method for solving a class of geometric constraint problems with theory in distance geometry, which generates fewer equations than using Cartesian coordinate method simply.
该文设计并实现了一个基于距离几何理论的、系统地求解一类几何约束问题的高效方法,它能够最终给出几何元素的直角坐标表示。
The advantages and disadvantages of Cartesian and non-Cartesian coordinate measuring machine were analyzed.
分析了直角坐标与各种非直角坐标测量机各自的特点;指出了直角坐标测量机将长期占主导地位,非直角坐标测量机是其重要的补充;提出了"混联坐标测量"的概念。
The flow field and temperature distribution are calculated using both the body fitted coordinates and Cartesian coordinates.
分析和比较了在直角坐标和贴体坐标下得到的速度场及温度场的数值模拟结果，并示出了在两种坐标下发热物质内部靠近中心处的最高温度随时间的变化趋势。
Tliis paper states a drawing line process of tlie charging center of airport highroad engineering, and summarizes that it is better for a point s coordinate from polar coordinate to change into right angle coordinate of arc building plane , combine two kinds of coordinate neatly and validate each other.
由于平面形式为弧形(半径较大)的建筑物一直是放线工程中的难点,通过对机场专用高速公路收费中心工程具体放线过程的详细论述,总结出对于弧形建筑物的放线宜将弧形轴线上的点将其极坐标的形式转化为平面直角坐标,并在放线的过程中灵活地将两者有机地结合起来。
Auto-adaptive Cartesian grid approach for numerical simulating of convection;
用于对流换热的一种自适应直角坐标网格方法
revolution of polar to Cartesian
极坐标－直角坐标旋转
resolution of polar to cartesian
极坐标-直角坐标转换
universal space rectangular coordinate system
宇宙空间直角坐标系
ECEF - Earth Centered Earth Fixed
地固地心直角坐标系
Study on non-linear coordination conversion of space right angle coordination system;
浅谈空间直角坐标系非线性坐标转换
The horizontal axis of a two-dimensional Cartesian coordinate system.
横坐标轴平面直角坐标系中的水平横轴
A New Algorithm for Transforming from Cartesian to Geodetic Coordinates
空间直角坐标向大地坐标转换的新算法
Abstract Number axis,plane right angle coordinate and space right angle coordinate in maths are the "numbers"of concret.
数学中的数轴、平面直角坐标系、空间直角坐标系为形而下之数 ;
One of three axes in a three - dimensional Cartesian coordinate system.
x轴三维直角坐标系中的三轴之一
Grid line values are usually placed in the margins of the map.
直角坐标网线值，通常均配置在图边。
On Using Rectagula Coord nate System to Solve Plain Geometry Problems;
建立直角坐标系 巧解平面几何题
Designating a geometric coordinate system with mutually perpendicular axes.
直角坐标的表明是具有相互垂直的轴的几何坐标体系的
A Method of 3D rectangular coordinate transformation adapted to any rotation angle
适用于任意旋转角的三维直角坐标转换方法
Equivalent and Difference of Natural Coordinate System with Right Angle Coordinate System When Constraining Anti-force Comes into Being;
含约束反力情况下自然坐标系与直角坐标系的等效性及差异性
Right Angle Coordinate Equation and Polar Coordinates Equation Surnamein Melting Mutually Solve the Nature Problem;
直角坐标方程与极坐标方程互化中的同解性问题
There are two kinds of coordinates, Cartesian coordinates and polar coordinates, with which spatial issues are analyzed and calculated.
分析和计算的空间问题,一般可采用两类坐标系:笛卡儿直角坐标系和极坐标系。
Sheet edges are normally either graduate lines or grid lines.
页面图廓，通常不是经纬网线，就是直角坐标网线。
Construct a set of rectangular axes and resolve any inclined forces into rectangular components.
作一组直角坐标轴，把各力都分解成正交分量。