等角点是航空摄影机的主光轴与主垂线（即过物镜中心的地面垂线）之间夹角的角平分线与像面的交点。
... point of zero distortion 等角点 point of zero charge 零电荷点 ; 电位点 ; 电点 ; 零电点 point of zero flow 断流点 ...
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像等角点 isocenterofphotograph
等角点辐射三测量 isocenter plot
三等三角点 third order triangulation station ; third order triangulation station west bank ; Station third order triangulation
一等三角点 First order triangula-tion station ; principal triangulation point ; Station first order triangulation
二等三角点 Secondary triangulation station ; Second order triangu- lation station ; Station secondary triangulation
等角共轭点 isogonal conjugate points
等角锁点型式 isometric snap style
等边三角形点 [天] equilateral triangle point
建立了采样数据为直角坐标值、坐标原点可以任意选取、各离散采样点之间也不要求为等角度间隔情况下，圆柱度误差评定的最小二乘数学模型。
This paper models the least square algorithm of the cylindricity error in the rectangular coordinates, whose center may be set on random and all discrete data can be sampled optionally.
用统计学的方法，等角度间隔地计算归一化步态轮廓图像各像素点至质心距离的均值与方差，并用其构造步态识别的特征向量。
Using statistical methods to calculate the Angle interval mean and variance of pixels to centroid distance of the normalized gait silhouette images, and construct them as a feature vector.
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