查询词典 vector

To understand the performance of DOA estimation using vector hydrophone array in a reflecting boundary, based on the reflecting model of plane acoustic wave, the improved Bartlett and Capon spatial spectrum are presented, and then the general frame is set up.

为了了解复杂分界面上矢量水听器阵列的定向性能，根据分界面上平面波的反射模型，提出了改进的Bartlett和Capon空间谱，建立了统一框架，并且在绝对硬边界典型界面下，分析了基于矢量水听器阵列的定向性能，给出了具体算例。

The result indicated: in this system, the technique of eukaryotic expression vector providing poliovirus capsid protein was possible.

实验结果表明：该系统使用合适的真核表达载体提供脊灰病毒结构蛋白的技术路线是可行的。

This year's Vector adds degree numbers and cardinal half points to the compass bezel, allowing users to make more accurate readings in the field.

Vector胜任严酷的户外环境，配有高度计、气压计和电子罗盘，是一款名副其实的户外运动手表。

While effectively reducing the dimensions of the vector, this method remarkably increases the efficiency of analysis on ultrasound cardiogram.

这种方法有效降低了纹理特征向量的维数，显著提高了图像分析的效率。

The temperatures between 38℃～40℃were used for observing the change of ECG,vector cardiography and the QT dispersion before and after the treatment course.

用38℃～40℃浴温观察了疗程前后心电图、心向量图及Q-T离散度的变化。

The main functions are inquiry、countingarea and plotting cartogram. The classification result is input in this system firstly andvector is created. The vector is operated, such as counting its area, then area and cartogramis obtained. Moreover, we can analyze area and cartogram by means of quantitativeanalysis.

该子系统首先将分类后的图像导入本子系统，进行矢量化，然后对矢量后的图形进行面积统计等操作，得到统计面积及统计图，并采用定量分析的方法对得出的面积值及统计图进行分析。

An antisense expression vector of the cattleya-ACO gene, which named pBI121ACC, was constructed, and the autisense sequence was controlled by the CaMV 35S promoter. The work laid the foundations of the future transgenic research for prolonging the flowering period of the transgenic Cattleya via autisense technology.

将克隆的卡特兰ACO片段反向连接到植物表达载体pBI121中CaMV35S启动子的下游，构建了卡特兰ACO基因的反义表达载体pBI121ACC，为进一步应用反义技术培养长花期卡特兰新品种奠定了基础，也为首次应用生物技术延长卡特兰花期做出了尝试。

This method supplies the steady edge data to the fused edge.(5) Feature vector, which includes sign of edge, central angle and the distance from chord to the circle center, is served as the role of feature association.

s在亚像素条件下，将边缘符号、圆心角和弦心距作为特征关联要素，建立了不同光学影像之间的边缘特征关联和融合定位模型。

In this paper it is shown that there are two vector constants of the motion for a charged particle in the central field of force.

证明了带电粒子在有心力场中运动时有两个守恒矢量。

The paper consists of three parts. First, we give the calculation for every order central moment for the Logistic population, mean vector and covariance matrix of the order statistic of random sample from the Logistic population, and means of several special functions for the order statistic of random sample from the Logistic population. Secondly, we discuss the parameter estimation for the Logistic population. Finally, we solve the question about the goodness-of -fit test for the Logistic population.

研究的主要内容分三部分：第一部分是关于Logistic总体各阶中心矩、样本次序统计量期望向量与协方差阵及若干个特殊的样本次序统计量函数期望的计算问题；第二部分是关于Logistic总体分布参数的估计问题；第三部分是关于Logistic总体的拟合优度检验问题。

"Second Life is remarkably easy to work with, and is very popular,"

"第二次生命是显着容易的工作，并且很受欢迎，"

For example, we usually assume that materials are homogeneous and isotropic and free of internal defects or flaws.

为了得到适合有限元分析的模型，我们必须经过如图2所示的简化步骤。