查询词典 state vector

If physical quantity is vector quantity it must obey the addition rule of vector quantity, that is to say, when two vector quantities is added, its result is not influenced by adding order.

物理量又分为标量、矢量和张量，若物理量是矢量，它应服从矢量的加法法则，即两个矢量相加时，相加次序不影响它的结果，由A→+B→=B→+A→所得到的最终结果相同。

According to the different face representation mode, there are four identifying methods. They are the mode identifying method based on geometry feature vector, the feature vector identifying method based on algebra feature vector, the facial feature extraction method based on NN and design method of sorter.

根据表征方式的不同，人脸识别方法有：基于层次聚类的几何特征矢量模式识别法、基于代数特征矢量的特征矢量识别法、基于神经网络的人脸特征提取和分类器设计法。

Objective To learn the influence of the earthquake in Wenchuan on vectors and vector borne disease, grasp timely the vector species and its density dynamics, and provide a reliable basis for the risk assessment of vector borne disease.

目的 了解汶川特大地震对病媒生物及相关传染病产生的影响，及时掌握地震灾区病媒生物种类、密度动态，为病媒生物性疾病风险评估提供可靠依据。

Methods The density of vector was monitored comprehensively and systematically in the Olympic core area,Olympic venues and outside of Olympic venues.Large-scale vector control activities were carried out in the area within 2 km and the whole city,with Olympic venues as the key places of vector control.

对奥运核心区、全市奥运场馆、场馆外围进行全面系统的病媒生物密度监测，以奥运场馆为重点，对周边2km及全市范围开展大规模的病媒生物控制活动。

Methods The risk of vector-borne diseases occurrence,nuisance and adverse impact caused by vectors was advanced by analyzing the species,density and the damage of vectors in recent years in Beijing.Control strategies were established according to the monitoring results of the vector population density,resistance and the pathogens in Olympic venues and in urban areas during 2005-2008,as well as the selection of effective control method and management measures.Results The risk of vector-borne diseases occurrence and nuisance caused by vectors existed in Beijing.

通过对近年来北京市病媒生物种类、密度消长特点以及危害程度的分析，提出奥运会期间媒介生物性传染病发生的危险性以及病媒生物可能造成的骚扰与不利影响；根据2005-2008年奥运会场馆及城区病媒生物密度、病原与抗药性监测结果，以及安全、环保、有效控制和管理措施的筛选，制定奥运会期间病媒生物控制保障策略。

Establish displacement vector equation of mechanism using vector method to infer the speed and the acceleration vector equation .

运用矢量法建立机构的位移矢量方程，推导出速度、加速度矢量方程。

In this paper, according to the equation of voltage vector of single-phase motor operating at symmetrical condition, author presents a new voltage-vector PWM method of variable frequency control for single-phase motor. In system, the voltage vector is used as a control parameter.

本文根据单相电动机对称运行时的合成电压矢量方程，提出了以合成电压矢量为控制量的单相电动机电压矢量式PWM变频调速控制方法，并进行了计算机仿真及制作了单相变频器。

Raster Polygon can not only optimize Gerber to accelerate speed of file manipulation but also can give an exactly description on image better than vector polygon. It became a best replacement solution for vector polygon. UltraVision AOI can support Raster Polygon and also can avoid distortion caused by raster when revolute to Vector.

光栅式多边形填充不仅能够优化Gerber文件从而提高文件处理速度，并且比矢量式多边形填充更能对图形进行准确的描述，是后者的最佳代替方案，UltraVision AOI支持光栅式多边形填充，最大程度的避免因光栅转换成矢量而产生的图形失真。

In this paper, a lot of research works of algorithms of mining CAD has been done. Many important mine specialty graph operation algorithms have been put forward. The main results are as follows: polygons cut out algorithm, two close polygons mutual, merge and subtract algorithm, polygon vector fill, any vector polygons area calculating and sequence polygons or multifold which has the direction and region area calculating, curve smoothing, graph element search for any region, graph element attrib collect in any region, parallel polygon or vector intersection-point push out or pull in, ore reserves and grade calculating for any type polygon, mine spatial data searching and boundary line tracking and automatic link algorithm etc.

论文在矿山图形算法研究方面做了大量的工作，提出了许多有价值的矿山专业图形运算算法，主要算法有：多边形裁剪算法、闭多边形的加、减、并算法、多边形的矢量填充算法、任意有向多边形、有向多连域、有向多边形序列面积算法、多种曲线光滑算法、任意区域的图元搜索算法、任意区域图元属性提取算法、多边形平行外推/内缩算法、任意多边形储量品位计算、矿山空间数据搜索算法、界线的自动追踪和连接等。

Vector to raster: Inside point diffuse method, diffuse from internal seeds within polygon to neighbor points, as far as to the boundary of polygon; Pluralism integral arithmetic, according to the close boundary of polygon, makes uncertain point calculate pluralism integral; Radial and scanning arithmetic, from a uncertain point which located outside of the figure to draw radial, according to the junction of radial and polygon to judge the internal and outside relationship; Boundary algebra filling, a vector convert to raster arithmetic which based on integral thought, suit for polygon vector convert which recorded topological relationship.

矢量转栅格：内部点扩散法，即由多边形内部种子点向周围邻点扩散，直至到达各边界为止；复数积分算法，即由待判别点对多边形的封闭边界计算复数积分，来判断两者关系；射线算法和扫描算法，即由图外某点向待判点引射线，通过射线与多边形边界交点数来判断内外关系；边界代数算法，是一种基于积分思想的矢量转栅格算法，适合于记

Diabetes is a social disease that affects several million people worldwide.

糖尿病是一个社会性疾病，全世界有数百万人罹患此病。

I'll call you on Friday to see if we can reschedule our luncheon meeting at your convenience.

我星期五会给您打电话在您方便的时候我们重新安排我们的午餐约会。