... control vector 控制矢量、控制向量 co-ordinate vector 坐标矢量、坐标向量 coordinate basis vector 坐标基向量 ...
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广义坐标矢量 generalized coordinate vector
直角坐标矢量图 [数] clock-phase diagram
坐标双矢量电流控制 dq-dual vector current controller ; DQ-DVCC
笛卡儿[坐标系]矢量 Cartesian vector
提出用复数-极坐标矢量法(简称复矢量法)来分析平面机构的运动。
A new method is proposed to analyse the motion of plane mechanism by means of complex polar coordinates vector method.
与传统图解法相比,极坐标矢量法设计空间凸轮廓线工作量减少了约5 0 %,并有利于凸轮廓线的精确数控加工。
Comparing to the traditional graphic method, the workload of new method is about 50% less than that of the graphic method and it is more suitable for the numerical controlled manufacturing.
简言之,矢量数据利用最简单的拓扑实体—点、线和多边形,并在二维笛卡尔坐标系统中固定它们来描述地理特征。
In short, vector data take the simplest topological entities — points, lines, and polygons — and anchor them within a 2-d Cartesian coordinate system to describe geographical features.
You've got to be very used to the notion of taking a vector in some oblique direction and writing it in terms of i and j.
你们应该已经很熟悉,倾斜的坐标系中矢量的概念,和用 i 和 j 来表示该矢量的方法
I gave you a law of transformation of the components; namely, if the vector has components Ax and Ay in one reference frame and Ax prime and Ay prime in another reference frame, how are the two related?
我介绍过分量变换的法则,即如果矢量在一个坐标系的分量为 Ax 和 Ay,在另一坐标系中的分量为 Ax' 与 Ay',它们有着什么样的联系
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