1) grid bearing
坐标象限角
2) the quadrant coordinate system
象限坐标
3) coordinate representation
坐标表象
1.
Three methods for the integral of the squeezing operator in coordinate representation
求坐标表象中压缩算符显式的3种方法
2.
This article discusses in detail about the presentation of the momentum operator P under coordinate representation.
对坐标表象中动量算符声的具体表示进行了讨论。
3.
This paper analyzes briefly the nature of aarmonic oscillator in the coordinate representation and the momentum representation.
本文简要分析了在坐标表象、动量表象、粒子数表象中一维谐振子的性质。
4) coordinate basis
坐标表象
1.
The Solution of Harmonic Oscillator with Electric Charge at Electric Field in Coordinate Basis;
论坐标表象中求解带电谐振子问题的方法
2.
The paper discussed the solution of the harmonic oscillator with electric charge at the electric field in the coordinate basis and energy basis,and used the different method to deduced the eigenvalue and eigenfunction.
运用不同的方法讨论了电场中带电谐振子在坐标表象和能量表象中能量本征值和本征函数的求解方法。
6) rectangular coordinates
直角坐标
1.
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
2.
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。
3.
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
补充资料：象限
象限
quadrant
象限l呷由胡t;拙明pa.T} 由两条相互垂直的直线把平面划分成的四个区域(角)中的任何一个.Bc3.3
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条