查询词典 area vector

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。

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

In order to deal with attributes reduction, one of the major problems in rough set theory, an attributes reduction algorithm was proposed based on scan vector, and a new conception of discernible vector was defined by which the information table can be transformed into discernible vector sets.

针对粗糙集理论中属性约简问题，提出了一种基于扫描向量的属性约简方法。

This paper proposes a general method based on Principal Component Analysis to analyze network anomalies. The method divides the traffic matrix into normal subspace and anomalous subspace, maps the traffic vector into normal subspace, gets the distance from detected vector to average normal vector, and detects anomalies based on that distance.

文章提出一种分析网络异常的通用方法，该方法运用主成分分析手段将高维空间划分为对应正常和异常网络行为的子空间，并将流量向量影射在正常子空间中，使用基于距离的度量来检测宏观网络流量异常事件。

The method divides the traffic matrix into normal subspace and anomalous subspace, maps the traffic vector into normal subspace, gets the distance from detected vector to average normal vector, and detects anomalies based on that distance.

文章提出一种分析网络异常的通用方法，该方法运用主成分分析手段将高维空间划分为对应正常和异常网络行为的子空间，并将流量向量影射在正常子空间中，使用基于距离的度量来检测宏观网络流量异常事件。

The CryCI gene and essential regulation elements cut from the plasmid pGF4ABC were inserted into yeast expression vector pPIC9K and plant expression vector pBI 121.1, so we got the secretive yeast expression plasmid pPIC9KBC and plant high-efficiency expression plasmid pGBIF4ABC, Fifty-two His+Muts transformants were obtained after the expression vector pPIC9KBC was introduced into Pichia pasoris, KM7I strain, by electroporation.

将pGF4ABC上的融合杀虫基因CryCI分别克隆到酵母表达载体pPIC9K和植物表达载体pBI121.1上，构建成融合杀虫基因的分泌型酵母表达载体pPIC9KBC和高效植物表达载体pGBIF4ABC。

It points out that under the hard-switching PWM pattern, the movement speed of flux linkage is adjusted by zero space voltage vector, but when soft-switching PWM pattern is used, effect time of space voltage vector vary greatly, sometimes even no zero space voltage vector exist.

指出在硬开关PWM模式下，磁链的运动速度靠零空间电压矢量调节；而在软开关PWM模式下，空间电压矢量的作用时间发生了很大变化，有时甚至没有零空间电压矢量。

Researches reveal that students who suffer from corporal punishment tend to resort to violence in their future life.

研究表明遭受过肉体惩罚的孩子倾向于在他们今后的人生中使用暴力。

Total sugar of sarcocarp and chlorophyll of pericarp increased firstly, and then decreased afterward along with altitude; Titratable acidity, ascorbicacid and anthocyanin of pericarp were increased along with altitude; The content of protein increased firstly and decreased afterward along with altitude; Carotenoid of pericarp were decreased along with altitude.

果肉总糖和果皮叶绿素含量随海拔高度升高先升高后降低；可滴定酸、维生素C和果皮花青苷含量均随海拔升高而升高；蛋白质在1720m处最大，1420m处最小；果皮类胡萝卜素随海拔升高而降低。