查询词典 geometrical mean

And thus, either one of the two geometrical isomers can be obtainedat will in high yield with high stercoselectivity,Two different stereoselectivities are displayed in thereactions of arsonium and telluronium benzylides with α,β-unsaturated esters and amides.

发现了苄基胂、碲叶立德在与α，β-不饱和酯、酰胺的环丙烷化反应中表现出不同的立体选择性，肉桂基胂、碲叶立德与α，β-不饱和酯反应时亦是如此。

The search for geometrical direction of image is counteracted by noise in Bandelet.

在Bandelet变换中噪声影响了对图像实际几何方向的寻找。

Second-generation Bandelet transform is a novel multiscale geometric analysis method,which can adaptively trace the geometrical regular surfaces.

第二代Bandelet变换是一种新兴的多尺度几何分析方法，能自适应地跟踪图像的几何正则方向。

Bandelet transform can take advantage of the geometrical regularity of image structure and represent sharp image transitions such as edges efficiently in image fusion.

Bandelet变换能充分利用图像的几何正则性，是一种基于边缘的图像表示方法。

Next, the Bandelet transform is taken on each directional subband. The proposed multidirectional and multiscale transform with critical sampling can represent the geometrical features such as edges and texture more sparsely, which is of great benefit to image compression.

原始的Contourlet变换有大于1的冗余度而不适于图像压缩的要求，采用传统的张量积小波变换取代其中的拉普拉斯金字塔式变换可获得非冗余的变换形式[8]，Bandelet变换是一种基于图像边缘的变换方法，它能自适应地跟踪图像的几何正则方向。

The limited direction basis function of DWT has made it impossible to describe high-dimensional signals such as images very well. Compared with this demerit, the second-generation Bandelet transform is a novel multi-scale geometric analysis method, which can adaptively trace the geometrical regular surfaces.

有限的方向基函数导致DWT无法很好表述图像这种高维信号问题，而第二代Bandelet变换作为一种新兴的多尺度几何分析方法，能自适应地跟踪图像的几何正则方向。

The copper ions showed four different coordination numbers and geometrical structures. 4 coordination, planar quadrangle; 5 coordination, tetragonal pyramid; 6 coordination, octahedron; 7 coordination, triagonal bipyramid.

晶体结构分析表明，该配合物中存在 [Cu2]2+、[Cu2(H2O)]2+和[Cu6(H2O)65Cu24]4-三种配位离子，铜原子呈现四种不同的配位数和几何构型，它们是：4配位的平面四边形；5配位的四方锥型；6配位的八面体型；7配位的三角双锥型。

Its catalytical principle is mainly electronic effect and geometrical effect.

其催化作用原理则主要体现为电子效应和几何效应两方面。

This program achieves geometrical transform algorithm of images levle-remove,circumrotation,Mirror,transpose,zoom and so on.

此代码实现了图象的平移，旋转，镜像，转置，缩放等几何变换算法。

Object edges are grouped on the basis of their geometrical and connectional relationships.

1引言计算机视觉研究的一个主要任务就是从二维图象来描述三维景物，即图象中各物体的属性以及他们之间的相互关系。

More direct, directer ; most direct, directest

径直的，笔直的

Do you know how to use a chain saw?

你知道如何使用链锯吗？