查询词典 characterize

Key phrases are phrase that have strong text representation function, can characterize text content such as subject and kind.

关键短语是具有强文本表示功能的特征短语，在表示文本时，能将文本的内容特征鲜明地表示出来。

In this paper, after introduction of the basic concepts, the main results on Geometry of Matrices and the developmental survey on Linear Preserver Problems, we characterize some important additive preserver maps by using the fundamental theorem of Geometry of Matrices.

本文在介绍了矩阵几何的基本概念、主要成果及线性保持问题的发展概况之后，应用矩阵几何刻划了几类重要的加法保持问题。

OBJECTIVE: To characterize the fundus autofluorescence findings in patients with white dot syndromes.

目的：明确白点综合征的患者眼底自体荧光成像结果的特点。

In order to effectively Abstract the texture and denoise but not damage the edge and other important details of image,Meyer(2001) proposed using elements of BV space and G space to characterize cartoon and details of image respectively.The authors present PDE of minimizing energy on the basis of Meyer s work.

为有效地提取纹理和去噪而不损坏图像的边缘及其他重要细节，Meyer(2001)提出了分别用BV空间和G空间刻画图像的主体和细节部分，笔者在Meyer的图像分解模型基础上，建立能量最小化PDE方程，将模型离散化后，利用投影算法和ROF模型的求解方法，将图像分解为有界变差部分u和包含纹理和噪声的部分v。

To characterize the fine structure of the predominant arabinogalactan-protein (Cp-2-B) isolated from the fruit ofLycium chinense Mill, a periodate oxidation and Smith degradation were preformed, and a galactan (Cp-2-B-SD, Mw=18,000)was obtained.

对从枸杞子水溶性粗多糖中分离出来的一种主要阿拉伯半乳糖聚糖糖蛋白Cp-2-B的微细构造进行了研究。

The weighted Moore-Penrose inverse is a special generalized inverse which is an important basic tool in many branches of mathematics and has extensive applications in other fields such as economics, information processing, automatic control, etc. Recently, the study of generalized inverse of matrices associating with more general algebra such as ring, semiring and so on generalize the theory and methods of generalized inverse deeply and characterize the structure of algebra as well.

加权Moore-Penrose逆是一种特殊的广义逆，它不仅是许多数学分支的基本工具，而且在经济学、信息处理、自动控制等其他领域有着广泛的应用，近年来，结合环、半环等更一般的代数系统的矩阵广义逆的研究，不仅将广义逆的理论和方法作了更加深入的推广，而且也成了刻画代数结构的有力工具。

We will systematically study some generalized inverse characterize value problems of matrices in this M.S.

本文在研究这些矩阵的基本性质的基础上，给出了解的表达式以及相应的算法和数值例子。

In order to characterize the geometric distribution of aggregate particle, many indexes are developed, such as perimeter, area and orientation of principal axis etc.

为研究集料的形状特征，本文开发了集料形状特征分析系统软件，分别运用二维指标和三维指标描述集料个体的形状特征。

In this study, a new classification method of tolerances according to semantics and mathematical representation of basic geometric elements based on DOF is given. The representation of tolerance semantics is systematically deduced based on its mathematical definition that can characterize the semantics exactly an...

给出了基于语义的几何公差分类方法及基于自由度变动的基本几何要素数学表示方法；基于公差的数学定义，系统地推导了各种类型公差的三维语义表示方法，准确完整地表示出了其语义；最后给出实例进行应用分析

Surface roughness was measured by a profilometer, SEM was used to characterize surface morphology, and a goniometer was used to evaluate the contact angle and surface energy of the PPy coating.

纯钛表面PPy电活性层的制备与理化性能表征采用水溶液恒电流原位电化学聚合法在纯钛表面制备PPy涂层。

There had been a moment during the breakfast meeting, though, after the backslapping and the small talk and when all of us were seated, with Vice President Cheney eating his eggs Benedict impassively and Karl Rove at the far end of the table discreetly checking his BlackBerry, that I witnessed a different side of the man.

那次早餐会期间，在表示过关心和寒暄以后，我们所有人坐了下来，我注意观察了一下，副总统切尼面无表情地吃着班尼迪克蛋（Eggs benedict，源自美国，以英式松饼、火腿、水煮蛋以及荷兰酱组合而成），卡尔。罗夫在餐桌的远端谨慎地经常查看他的黑莓手机，我目睹了他所不为人知的一面。

Talk Undelete failed; someone else may have undeleted the page first.

Talk 无法删除选定的页面或图像（它可能已经被其他人删除了）。