These two vectors are perpendicular exactly when their dot product is zero.
当点乘的数量积为零时，这两个向量垂直。
Gene trap elements are also used in the construction of retrovirus vectors.
基因诱捕技术也被运用了反转录病毒载体的构建。
The part of algebra that deals with the theory of vectors and vector spaces.
有关向量与向量空间理论的代数部分。
The Relations of Linearly Dependency of System of Vectors with Number Fields.
向量线性相关性同数域的关系
The red or green vectors represent the displacement between the two surfaces.
红色及绿色的部分代表两个平面之间的位移。
This construction is often called the parallelogram law of addition of vectors.
这种作图法常被称为矢量相加的平行四边形法则。
Independent Component Analysis Based on Set of Statistical Uncorrelated Vectors
基于统计不相关矢量集的独立成分分析
Distribution of the Spin Vectors for the Field Galaxies and Intrinsic Flatness.
场星系的旋转矢量分布和内禀扁度
Detecting Collision of Polytopes Using a Heuristic Search for Separating Vectors
基于启发式搜索分离向量的凸多面体碰撞检测
And, in particular, we can use this to detect when two vectors are perpendicular.
特别地，可以用这个，来检验两个向量是否相互垂直。
The Transient Analysis for an Electrical Machinery by the Method of space Vectors
略论用空间矢量法研究电机的过渡过程
Many different species of mosquitoes are vectors for the Rift Valley Fever virus.
许多不同种类的蚊子是裂谷热病毒的媒介。
And at times it can synopsize the vectors of romance in the briefest of exchanges.
并且有时候它可以题要在最短的交流，浪漫的载体。
Ae, albopictus is one of main vectors of Dengue Fever and Dengue Haemorrhagic Fever.
白纹伊蚊是传播登革出血热得重要媒介之一。
The phase difference vectors thus acquired are summed up as the subcarrier correlation.
这样获得的相位差向量被加和, 作为子载波相关度。
So the adding and the subtraction of vectors is way more complicated than just scalars.
因此矢量的加法和减法，要比标量复杂。
If two vectors are associated with each other as a dot product, the result is a scalar.
如果两个向量以标量积结合，其结果为一标量。
Arboviral infections are most common in the summer, when arthropod vectors are abundant.
在节肢动物媒介大量孳生的夏天，虫媒病传染最为普遍。
There is adequate variability in plants to breed for resistance to certain aphid vectors.
植物有充分得变异性可用于培育对一些蚜虫介体得抗性。
Study on the Spatial Distribution Patterns of Tomato Mosaic Disease and Its Aphid Vectors
番茄花叶病病株及传毒介体空间分布型研究
Expression vectors and host cells containing the nucleic acid sequence are also provided.
同时提供包含上述核酸序列的表达载体和宿主细胞。
CONSTRUCTION OF EXPRESSION VECTORS FOR CEREAL MALE STERILITY AND ITS FERTILITY RESTORATION
禾谷类作物雄性不育及育性恢复表达载体的构建
Applied Experiments of the Prediction of Typhoon Tracks by Using Cloud Motion Wind Vectors
在台风业务系统中使用卫星云导风资料的试验
The received side information may comprise associated motion vectors and disparity vectors.
接收到的次要信息可以包括相关的运动向量和视差向量。
Comparison of three cloud motion wind vectors and impact on typhoon track numerical forecast
三种云导风资料及其对台风数值预报影响试验的比较分析
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