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
- A Matrix Expression of the Vector Sum of Internal Forces in a Particle System Equals to Zero
合内力为零的矩阵表示 - 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。 - 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 - The theory of the imaginary part matrix of the complex matrix is put into two vector product sum by using the elementary transformation of the matrix of unchanging the matrix rank.
将复数矩阵的虚部矩阵应用矩阵的初等变换不改变其秩的理论，分解成两个向量乘积之和分解式。 - In so far as linear motion is concerned, a body is in equilibrium if the vector sum of the forces acting upon it is zero.
就线性运动而论，如果作用于严格物体上的诸力的矢量之和是零，那么这个物体就处于平衡状态。 - Moreover total virtual alternation force of the entities is the vector sum between all intersected cubes on two kinds of FV and EE basic contact modes.
而其实体的总的虚拟交互力是在FV和EE两种基本接触模式下所分割的所有立方体间的矢量和。 - 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。 - The dominant orientation of a joint group is the corresponding occurrence of the vector sum if some of the upward unit normal vectors are reversed. comparing NW component with vector sum of SN and WE in NW orientation, the errors are small.
对某组节理面向上的单位法向量进行部分反向后，其矢量之和对应的产状即为该组节理面的优势方位。NS向、EW向与NW向的比测误差基本正常； - 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。 - Photonic RF phase shifters based on OTTD ( optical true time delay), heterodyne mixing technique and vector sum technique were introduced. The principles and features were proposed and analyzed.
介绍了基于光实时延迟线、基于外差混频技术和基于矢量和技术的光子射频移相器，对其工作原理和技术特点作了分析。