维数

Extract two different characteristics , and using two dimensional matrix array Mome ..

分别提取两类不同的特征，用二维数组矩阵提取矩特征再进行二值化处理图像。

Hen a feature selection method based on fractal and changes of neighborhood space density is proposed.

irana于2000年提出了一种利用分形维数来指导属性选择的方法2

Basing on the future of fractal,this paper introduces the density analysis method and points out the defects of existing feature selection method based on fractal dimension.Then a feature selection method based on fractal and changes of neighborhood space density is proposed.

根据数据集的分形特征，引入了密度分析方法，指出了当前基于分形维数的属性选择方法的不足，提出了一种基于分形和邻接空间密度变化的属性选择方法。

Are also given by constructing Lyapunov function. Finally, by applying the energy methods, Sobolev embedding theorems and bootstrap arguments, the global existence of nonnegative classical solutions to equations with homogeneous Neumann boundary value condition is proved when the space dimension is at most 5. Under certain conditions for the coefficients of the reaction functions, the convergence of the solutions is established for the system with large diffusion coefficients by constructing Lyapunov function.

的正平衡点全局渐近稳定的充分条件；最后，当空间维数不超过5时，应用能量估计、Sobolev嵌入定理和bootstrap技巧证明在齐次Neumann边值条件下非负古典解的整体存在性，并通过构造Lyapunov函数给出当反应函数的系数满足一定条件、扩散系数较大时该模型解的收敛性。

The concept and properties of generalized difference sets are proposed, some existence and nonexistence results are proved.

提出了几乎完美阵列的概念，它是几乎完美序列在维数上的推广。

It is proved that ① Let R be right AGP-injective and right P-V'-ring, then R is left nonsingular ring.

若R是右非奇异的，右有限Goldie维数的右AGP-内射环，则R是半单Artin的。

In Chapter 2, we consider the nullity of graphs.

在第二章中，我们讨论了图的零维数。

It can also receive and return one dimensional arrays of the preceeding types.

它也可以接收和返回前一类型的二维数组。

An application to meteorological data shows results similar to the one-class case as far as dimensionality reduction goes.

气象应用说明，就维数压缩而论，结果与一类情况类似，并且还得到了合理的分类判断。

Let M~n(n≥3)be an n-dimensional complete noncompact oriented submanifold in an-dimensional Euclidean space R~.

他们还进一步证明：若M具有有限指标，则M上L~2调和1-形式空间的维数是有限的，且M仅有有限个端[35]。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。