In this paper the transport structures of double diffusive natural convection in a square cavity driven by two discrete heat and mass sources were analyzed by the use of vector line method .

本文通过“ 矢量 线”可视化方法，解析了一个方腔内由双离散热源和污染源驱动的双扩散自然对流系统的传输结构。

Construction and identification of recombinant retroviral vector and stable cell line expressing latent membrane protein 2A of Epstein-Barr virus

EB病毒潜伏膜蛋白2A基因重组逆转录病毒 载体和稳定表达细胞 株的构建及鉴定

Objective To observe the transfer and expression of HBV antisense genes and their anti HBV effects in 2.2.15 cells mediated by retroviral vector packaging cell line system .

目的观察重组逆转录病毒 载体－包装 细胞系统介导反义基因转移表达和抗乙型肝炎病毒（HBV）的作用。

A towed ship interference canceling algorithm for vector sensor line array

一种基于 矢量 拖曳阵的拖船干扰抵消算法

The Passive Synthetic Aperture Technique of Acoustic Vector Sensor Line Array

矢量水听器 线列阵的被动合成孔径技术

Method for building vector database from digital line graph in AutoCAD

AutoCAD平台上数字 线 划图的 建库方法 研究

It 's the dot product between the normal vector of a plane and the vector along the line .

这是平面法向量，和沿 直线 向量的点积。

The validity of the observer has been proved and the good dynamic and static performance of the PWM rectifier under the virtual line flux linkage vector oriented control without line voltage sensors have been showed by both simulation and experiment .

仿真和实验结果验证了所提出观测方法的有效性和无 电网电压传感器条件下，三相电压型PWM整流器虚拟电网磁链定向 矢量控制运行的良好动、静态特性。

So a virtual line flux has been constructed to serve as the oriented vector instead of the line voltage vector to remove the AC voltage sensors and reduce the cost of PWM rectifiers .

采用类似于交流电机磁链观测的方法来构造一个虚拟电网磁链，可以代替 电网电压作为PWM整流器矢量控制中的定向 矢量，达到省去交流侧电网电压传感器，降低PWM整流器成本的目的。

It provides us with a large arsenal of vector graphic types such as Line Ellipse Path and oth .

它提供了一个大型军火库的 载体，我们如 线，椭圆，路径和其他图形类型。

This algorithm includes the following steps : Firstly mapping both the pixels gray standard deviation and the grade vector mean of the line objects separately into the dual space by project transform .

该算法包含以下步骤：通过投影变换，分别将 直线的灰度级标准差及其边缘梯度 矢量均值映射到 直线方程的对偶空间；

The purely kinematical equation for the tangent vector of a line element is derived .

导出了 线元切 向量的变形方程以及拉伸轴在极射赤面投影图上位置变化计算公式。

In this paper the methods of drawing contour line from terrain map the vector of contour line and generating elevation data from vector data are discussed .

论述了从地形图中提取等高线、对 等高线 矢量化以及通过矢量数据生成高程数据的实现方法。

Split vector quantization of line spectral frequency parameters

线谱频率参数的分裂 矢量量化

ARPA radar vector line navigation

ARPA雷达 矢量 线航法

Online a preliminary study of aftershock vector the finish line

地震余震 向量 线初探

A Fast Object Locating Algorithm by the 2-D Gray Scale Vector based on Off Line Training

基于 离线训练的二维灰度特征 向量快速目标搜索算法

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。

This paper firstly compares text file format with binary file format then presents a new binary file format of vector map in a line data sample which is easy to be serialized and is convenient for developing Object-Oriented GIS .

比较了二进制文件与文本文件的优缺点，以 线状数据为例设计了便于文档序列化、易于面向对象GIS开发的二进制 矢量地图文件格式。

Through the error analysis to predict the results and with BP and RBF neural network prediction results were compared based on support vector machine Xinzhou transmission line models to predict follow-up ice thickness accuracy and speed is superior to neural network method .

通过对预测结果进行误差分析，并与BP和RBF神经网络的预测结果进行比较，基于支持 向量机的忻州输电 线路覆冰厚度模型预测精度和速度要优于神经网络方法。

Visualization of vector magnitude based on line integral convolution

基于 线积分卷积可视化 矢量场大小的研究

In each of the five frames in Figure 3 the ball 's velocity vector is the diagonal line drawn in blue and the velocity vector for the bucket is the red horizontal line .

在图3中的5个帧中，球的速度 向量是以蓝色绘制的 对角线，桶的速度向量是红色的水平线（桶水平移动）。

In the PDF form there could be graphic elements such as a vector image an oblique line and a curved line .

在PDF表单中，可以有图形元素，例如 矢量图像、 斜线和曲线。

Progressive Transmission of Vector Line Data

矢量 曲线的流媒体传输

The original direction of drilling cores can be determined by vector compounds in line with above principle .

利用这一原理，通过 矢量合成可确定钻井 岩芯的原始方位。

When the hue difference increased the magnitude of color shift in test target decreased but the deflection angle of color shift vector from constant hue line increased .

当诱导域与试验域之间的色调差增大时，试验目标色觉位移的幅值减小，而色觉位移 矢量偏离恒定色调 线的偏向角却增大。

Firstly in the image coordinate the undistorted coordinates of the desired point on objects was obtained from one image captured by the CCD camera from which the orientation of the projection vector ( the line connecting the object point and its image ) was obtained .

首先由CCD摄像机采集一幅图像，获取物体上目标点在图像坐标系中的理想坐标，并由此确定该点投影 矢量（连接物体点和对应图像点的 直线）的方向；