2) rectangular vector
直角座标矢量
3) rectangular coordinates with small elevation angle
直角小抬高角座标系
5) triangular graph paper
三角座标纸
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：直角
见“角④”(1205页)。
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