表示特性

The new constructed dictionary satisfies the human visual system characteristics. It is multiresolution, multiscale, anisotropic and multidirectional. It can provide sparser representation for images.

新构造出的字典满足人眼视觉的基本特性，具有多分辨率、多尺度、各向异性和多方向选择性等性质，能更稀疏地表示图像。

In imaging electron optics, for a concentric spherical system composed of two spherical electrodes with electrostatic focusing, the electrostatic potential distribution and the spatial-temporal trajectory of electron motion can be expressed by analytical forms. It is naturally to take such system as an ideal model to investigate the imaging properties, as well as the spatial-temporal aberrations, to analyze its particularity and to find the clue of universalities and regularities.

在成像电子光学中，由两个球面电极组成的静电聚焦同心球系统，由于其静电电位分布和电子运动的空间和时间轨迹能以解析形式表示，很自然被采用作为理想模型，研究其成像特性和空间―时间像差，分析系统的特殊性，从而寻找具有普遍意义和规律性的线索。

For the case of the Yankee-BWR, the dynamics at the equilibrium point such as natural frequency, damping ratio and time constant can be identified with the noise data.

对Yankee-BWR的噪声数据，辨识出系统平衡点处的自然频率、阻尼比和时间常数等动态特性；并通过对状态方程的分析，得出其二次系统中的极限环的数学表示。

The dependence of discharge capacity on the reduction potential of the dye redox couple is compared for TiO2 and TiO2–SWCNT systems under equilibration conditions.

研究人员表示，&单壁碳纳米管接收和转移电子的能力凸显了它在电子转移过程中的中介作用。单壁碳纳米管的充放电特性将在提升光电转化方面起到重要的作用。&

In order to simulated the characteristics of dynamic regression of saturated sandy soil under cyclic loading, the relation between the real hysteresis loop and the one indicated by the Masing rule is discussed based on a series of laboratory test, the modified proportion coefficient of hysteresis loop simulated by the Masing rule indicating by the stress history is determined, and then, it is modified by a quadratic function.

为了描述周期荷载作用下饱和砂土的动力衰减特性，试验研究了周期荷载条件下不同剪应变幅值时的实际滞回圈与由曼辛法则确定的滞回圈之间的关系，给出了由应变历史表示的用曼辛法则描述的滞回圈的比例修正系数，进而用二次函数进行了修正。

The method of representing the dynamic response characteristics of a journal bearing bymeans of stiffness and damping coefficients is widely used in rotordynamics.

将滑动轴承的动力响应特性用刚度和阻尼系数来表示的方法在转子动力学中有相当广泛的应用。

In this paper, we present a wave theory based rendering technique: light wave field rendering, by combining wave graphics, Fourier optics, computational holography and the existed image based rendering techniques. In light wave field rendering, a 3D wave field is represented by one or more wavefronts which are stored as 2D arrays of complex numbers.

本文结合波动图形学、计算全息学和傅立叶光学等研究领域的相关技术，将波动的概念引入光场绘制过程，根据定态光波场的解析特性，使用平面或封闭曲面波前上的二维复振幅分布，来表示无源空间中三维的光波场，提出了一种基于光波场的绘制技术，用于三维物体的视点无关绘制和立体真实再现。

Definition of tree ADT, FirstChild-NextSibling Representation, Tree traversals, Applications of trees, Definitions and properties of binary trees, Traversal of trees, Recursive functions of trees, Threaded binary trees, Binary search trees, AVL trees, Splay trees, B-trees, Application of binary trees.

树的定义，树的兄弟表示法，树的遍历，树的应用；二叉树的定义和基本特性，遍历二叉树，二叉树的递归操作，线索二叉树；二叉排序树，平衡二叉树，Splay树，B-树，二叉树应用。

The performance of logical networks is expressed in terms of equations that are governed by special theorems and rules.

逻辑网络的特性可由专门的定理和规则所确定的公式来表示。

Eric Noll, executive vice president of Nasdaq OMX, said:"Despite our best efforts, the increasingly competitive nature of the MTF space in Europe has meant that the growth of the business hasn't reached levels necessary for us to realise our stated objectives."

纳斯达克OMX执行副总裁埃里克·诺尔表示：&尽管我们竭尽所能，但欧洲多边交易设施市场竞争日益激烈的特性意味着，该业务的增长没有达到使我们实现既定目标所必需的水平。&

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐