线矢量（Line Vector）：如果空间一个矢量被约束在一条方向、位置确定 的直线上，仅允许矢量沿该直线移动，被直线约束的矢量称为线矢量，用对 偶矢量表...
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coplanar line vector 共面线矢量
vector line [数] 向量线 ; 矢量线
base-line vector 基线向量
line vector data 线矢量数据
axis line vector 轴矢量
Weighted Line Vector 直线权值向量
gps basic line vector gps基线向量
The sampling density can be controlled according to the practical requirement during the course of contour line vector.
在等高线的矢量化过程中，可根据实际需要对采样密度进行控制。
This article analyzes a few profound concepts, such as companion matrix, line vector, column rector, orthogonal matrix, and recommend many qualities, which are difficult to grasp for many students.
本文剖析了线性代数中伴随矩阵、行向量与列向量的乘积、正交矩阵几个较难掌握的概念，由此引出这些概念的一些基本特征和性质。
And, these coefficients here correspond to a vector parallel to the line.
这些系数构成的向量和直线平行。
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