vector sum
英 [ˈvektə(r) sʌm]
美 [ˈvektər sʌm]
矢量和
英英释义
noun
- a vector that is the sum of two or more other vectors
双语例句
- Calculation of Molecular Dipole Moments by Vector Sum of Bond Dipole Moments
以键矩矢量和法计算分子偶极矩 - So, we want to decompose the position vector into a sum of simpler vectors.
故我们是把位置向量，分解为简单向量的和。 - However, on the border of this region, owing to the ordered distribution of the hydroxyl electric moment, the vector sum of the electric moment per unit area is not equal to zero, which allows the moisture to be absorbed on the surface of the region.
在晶区边界上，由于羟基电矩的有序分布，单位面积上电矩的矢量和不等于零，水分可以被吸着在晶区表面上。 - Rotation Invariance Detection Scheme Based on Circular Projection and Vector Sum
基于圆投影与矢量和的旋转不变量检测方案 - The vector sum of the angular momentums of each component particle of an extended body.
动量矩伸展体的每个组成微粒的角动量的矢量值。 - Only if the component vectors are on a straight line will the length of the vector for the sum be equal to the sum of the lengths of these components or to their difference.
只有当几个分矢量在一直线上，那么表示其和的矢量长度才会等于这些分量的长度和或它们的差。 - So the vector sum method can be widely used in practice.
因此该方法在工程实践中有望得到广泛的应用。 - A vector that is the sum of two or more other vectors.
两个或两个以上向量相加得到的向量。 - In an infinite dimensional space there always exist two subspaces whose vector sum is different from their span.
在一无限空间中恒存在两个子空间，其矢量和与其张成空间不同。 - To solve this problem, a new method of direct gray-scale feature extraction based on the circular projection algorithm and the vector sum for testing the quality of the pressed character is presented.
提出了利用圆周投影和矢量和直接获取灰度压印字符的质量判别特征值，以标准压印字符为模板进行快速的标牌压印字符在线检测。