vector density的例句大全

The status of vector density and control measures in main travel industry sites of Chongqing city

重点旅游区病媒生物密度现状及防治对策

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OBJECTIVE ① To establish multifactor evaluation model of malaria epidemic situation and vector density;

目的①建立疟疾疫情与蚊媒评价预测多因素复合模型；

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At first, the three-dimensional vector potential and vorticity function are introduced, and the vector potential and vorticity equations are obtained in the case of arbitrary variation between density and temperature of water.

本文应用三维矢量势和涡函数，导出了水的密度和温度之间任意变化情况下的矢量势和涡方程。

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The difference of it to the typical vector hydrophone is to avail of the MEMS acceleration sensors. And this make the volume littler, at the same time, the whole density gets smaller.

与以往同振式矢量水听器不同的是由于采用了MEMS加速度传感器，不仅减小了矢量水听器体积，同时也降低了整体密度。

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During the semi-continuous casting of aluminum alloy by CREM process, the distribution of magnetic flux density vector in space and melt;

数值模拟了CREM法半连续铸造铝合金过程中，磁感应强度在空间和结晶器内部的分布；

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The expression of magnetic potential is given according to the relation between a solenoidal vector function and electric density. The integral constant is firmed according boundary conditions and then magnetic potential of a solenoidal vector is determined.

文章根据磁位函数与电流密度的关系给出杯型转子中磁位函数的表达式，根据边界条件定出积分常数，确定磁位函数。

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Physics conceptions are introduced into image matching and definitions to the Mess, Density, Gravity Center and the Physical Feature Vector ( PFV) of image are given in the paper. And a new matching algorithm based on image physical feature is proposed.

文章将物理学相关概念引入图象匹配中，定义了二维灰度图象的质量、密度、重心以及物理特征矢量，并由此提出了一种新的基于图象物理特征的分层匹配算法。

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In order to improve the training efficiency, an advanced Fuzzy Support Vector Machine ( FSVM) algorithm based on the density clustering ( DBSCAN) is proposed.

为了提高模糊支持向量机在数据集上的训练效率，提出一种改进的基于密度聚类（DBSCAN）的模糊支持向量机算法。

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Under the Gaussian hypothesis, probability density functions and numerical characters such as mean, variance and hybrid 2nd order moment of the instantaneous polarization projection vector ( IPPV) of TV-EMWs are studied in this paper.

在正态假设下，研究了时变电磁波瞬态极化投影矢量（IPPV）的概率分布和均值、方差、混合二阶矩等数字特征，得到了电磁波IPPV一些重要统计性质。

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In this paper some partial derivatives of a matrix function with respect to a vector variable are derived first. By using of these derivatives, the representation of the normal approximation for any distribution density function of a random vector is given.

本文首先推导了若干矩阵函数对向量变量的求导公式，并以此为基础对任意的随机向量，给出其分布密度函数的正态迫近表示。

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the vector plot of3d magnetic flux and the surface plot for the radial component of magnetic flux density were obtained, which could show the feature of the mlf near defect expressly.

利用数学模型对漏磁信号进行了仿真分析，得到了三维磁通密度矢量图和它的径向分量曲面图，直观地显示了缺陷附近漏磁场的特点。

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support vector machine applied to modelling of density of noctiluca scientillans in sea water

支持向量机算法用于夜光藻密度建模

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The electric current density vector field also satisfies superposition principle, some applications thereof are introduced.

摘要电流密度矢量场也满足叠加原理, 给出了一些应用电流密度场叠加原理的例子.

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The local density of states takes much larger values in the air cylinders areas and drops down at the boundary between the air cylinders and dielectric medium background, and this phenomenon is due to the continuity of electric displacement vector.

第二，局域态密度在空气散射子界面处发生突变，空气散射子区域的局域态密度相对较大，这可由电位移矢量的连续性来理解。

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After investigations of new type low temperature solidified low density cathode electrophoresis paint ( KNT831), the results show that this product has an improved performance such as solidification at low temperature, dried paint film with decreased-density, minus vector reduction and electrophoresis throwing power.

研究了新型低温固化低密度阴极电泳漆（KNT831）的性能。研究结果表明，该产品的性能有较大的提升，即固化温度降低、干膜密度降低、减失量降低、泳透力提高。

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the probability density evolution equation ( pdee ) of the stochastic structural response state vector.

提出了求解随机结构动力反应极值分布的概率密度演化方法.

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The measurements of the radio spikes with high time and frequency resolution by the spectrometer in Beijing Observatory may provide a self consistent diagnosis for the ambient plasma parameters ( magnetic field, density, temperature, wave vector, and the properties of nonthermal electrons).

利用北京天文台高时间和高频率分辨率的射电频谱仪对射电尖峰的测量，可以对背景等离子体参数进行的自洽诊断（磁场，密度，温度，波矢，及非热电子的性质）。

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