查询词典 four vector

In this paper, four examples were given to prove that vector integral methods can be used to calculate several simple problems of electromagnetic fields directly.

电磁学中有些简单问题中的电磁场可以直接使用矢量积分法求解，本文给出了4个例子。

Actually, in 1682M are found two 2GHz processor each with two own blocks of integral, engineering and vector (VMX calculations, 2mbcache inthe second level, two controllers of memory DDR-2, hardwareaccelerators TCP/IP withsecurity, and also flexible subsystem of input-output with the support of eight controllers PCI express , two 10 Gigabit Ethernet and four Gigabit Ethernet.

其实，在发现有两名1682m2千兆赫处理器每块组成的两个，工程矢量(vmx计算，在第二级缓存MSS-2MB两个内存控制器复员2、硬件加速器中TCP/IP与安全柔性子系统也投入产出的PCI控制器的支持表达八、两个10和4个千兆以太网千兆以太网。

The method optimizes the features according to the class separable criterion of margin of within-class and among-class distance and selects the optimized feature vector combination based on four kinds of features,such as gray histogram feature,wavelet transform feature,gray level co-occurrence matrix feature and moment invariants feature,with 26 dimension feature vectors in all.

针对冷轧板带材常见表面缺陷图像识别的特点，提出了板带材表面缺陷多特征优化组合方法，该方法以直方图统计特征、小波变换特征、灰度共生矩阵特征、不变矩特征等4类特征共26维特征向量为基础，依据类间类内距离差的类别可分离性判据对特征进行优化，选出最优特征向量组合。

This paper leads into the multinomial distribution concept and discusses the content in the following four aspects in details: First, defining the random vector is NA's, drawing out the nature of NA's for the multinomial distribution and proving the multinomial distribution is NA's; Then, introducing the way to own maximum values by three distributions, giving the method to gain the maximum value from general multinomial distribution, which is named the method of elimination.

本文引入了多项分布概念，同时详细讨论了以下四个方面的内容：1。定义了随机向量是NA的，并由此引出多项分布的NA性，并且证明了多项分布是NA的；2。介绍了三项分布最大值的求法，在此基础上给出了一般多项分布最大值的求法，即淘汰法。

The reason of unbalanced load voltage for station transformer in 220 kV substation was analyzed,the important influence of null line wirings in three-phase four-wire system on three-phase load voltage balancing was explained,and put forward a kind of simple,visual and practical vector analysis method.

分析一220kV变电站站用变压器负荷电压不平衡的原因，说明了三相四线制中的零线接线准确与否对负荷三相电压平衡性的重要影响，并提出了一种简单、直观的实用矢量图分析方法。

To investigate the AR mutants function, the four mutations were constructed respectively into an expression vector containing the human AR cDNA using pALTER II mutagenesis system in vitro.

首先，我们应用pALTER体外致突变系统成功地对这些突变位点进行了人工致突变，构建了这些突变的表达载体，然后应用Western blot分析，对转染入无内源性AR表达的COS-7细胞中的表达载体的表达进行了分析，结果表明，表达载体能有效表达AR，其大小与野生型AR一致。

Flexure Hinge ; Piezoelectric Actuator ; Hysteresis ; Precision Positioning ; Compound Parallel Four Bar ; Parasite Displacement ; Concentrated stress ; LS-SVMR Preisach Hybrid Model ; Support vector machine ; Residual Vibration ; Input Shaping Technology ; Steady State Error ; Hybrid Controller ; PID Controller

浙江省自然科学基金；柔性铰链；压电陶瓷驱动器；迟滞非线性；精密定位；复合平行四杆；耦合位移；集中应力； LS-SVMR与Preisach模型；支持向量机；残余振荡；输入整形；稳态误差；混合控制器； PID控制器

The parallelepiped classifier,minimum distance classifier,Maximum Likelihood Classifier,Neural network and,especially,the newly developed Support Vector Machines were assessed in the object-based image analysis of VHSR data. The impacts of kernel configuration on the performance of the SVM and of the selection of training data of the four classifiers were also evaluated.

对比研究了平行六面体、最近邻分类法、最大似然法、神经网络等经典分类算法以及近年来新发展的支持向量机分类算法在基于分割对象的高分辨率遥感图像分类中的性能，详细分析了不同内积核函数对于支持向量机分类的影响。

Then the linear vector was microinjected into the pronucleus of the KM×B6D2F1 zygotes to produce the transgenic mice. Thirty-four adult mice were produced from 286 of injected embryos.

用显微注射方法，将线性化的载体DNA注入KM ×B6D2F1小鼠受精卵的的原核内部，然后将胚胎移植到输卵管内，13只受体怀孕产仔。

Used as input vector of radius basis function neutral network, the wear debris shapes were divided into four classes: regular, irregular, circular and elongated.

然后以提取的形状特征为输入矢量，利用径向基函数神经网络对磨粒形状进行分类识别。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。