查询词典 hausdorff metric

At last for a continuous map defined on a compact metric space, the strong-e-chain, strong-chain-transitive component are introduced and some existing results are improved.

最后对定义在紧致度量空间上的一个连续映射，引入了强-∈-链，强链传递分支的概念，改进了一些已有的结论。

In the third section,we study the relationship between the APOTP for continuous map / on a compact metric space X and that for the lift map / of / on a covering space X and show that has the APOTP if and only if has the APOTP.

在第四节中，我们研究逆极限空间上移位映射的APOTP，讨论紧致度量空间上连续映射APOTP与逆极限空间上移位映射APOTP间的关系。

This paper proves that every probabilistic contraction map from E to E has a unique fixed point, where E is a complete and uniformly local semi-convex probabilistic normed spacer and obtains a fixed point theorem in metric linear spaces.

摘要证明了完备的一致局部半凸概率赋范空间上的概率压缩映象必有唯一不动点，得到了一类度量线性空间中关于伪范数族一致压缩映象的不动点定理。

It applies non-metric digital camera as the main tool, and only needs some distances of data points instead of coordinate controls on model plane.

以普通数码相机为测量工具，不需要基准点的坐标而只需测量部分基准点间的距离即可恢复模型平面与像平面间的单应关系，使得测量工作不依赖大地测量仪器。

In Riemannian manifolds, one studies Riemannian metric, covariant derivative, Riemannian connection, basic properties of the Riemann curvature tensor, curvature forms etc.

黎曼流形部分主要涉及黎曼度量，黎曼流形的定义，切向量场的协变微分，黎曼联络，黎曼几何的基本定理，曲率张量，曲率形式等概念和理论。

The consistency registration algorithm, which used local cross correlation coefficient as the similarity metric, was proposed.

提出一种利用局部互相关系数作为相似性测度的灰度一致性配准算法。

The article analysed the foreign trade effect to macroscopical economy through metric analysis method, the VAR model that uses vector to be returned to oneself will be opposite income of foreign trade amount, import total, export total, finance and foreign currency exchange rate undertake VAR is returned to, reach the; of cross correlation relation of many variable answered function to analyse the long-term and harmonious relationship between foreign trade and reform economic norms through concussion.

本文通过计量分析方法分析了进出口贸易对宏观经济的影响，运用向量自回归的VAR模型来对进出口贸易总额、进口总额、出口总额、财政收入和外汇汇率进行VAR回归，得出多个变量的互相关联关系；通过冲击响应函数分析了进出口贸易和改革经济指标间的长期均衡关系。

This paper mainly study the relations between some algebraic properties of Roe algebras and the coarse geometry of metric spaces, and its applications to the reduced crossed product C-algebras and the coarse Baum-Connes conjecture.

本文主要研究这类C~*-代数的某些性质与底空间几何之间的联系及其在交叉积C~*-代数和粗Baum-Connes猜测中的应用。第一章研究交叉积C~*-代数的Schwartz型谱不变子代数。

To mathematically characterize the deformation of the middle surface of a shell, the metric tensor and curvature tensor ought to be investigated in detail.

为了从数学角度更好地描述壳体中性曲面如何变形，通过渐近分析和张量分析，给出了当壳体中性曲面发生形变时度量张量和曲率张量改变量的完整表达式。

Decameter :a metric unit of length equal to 10 meters.

"十米：长度的公制单位之一，等于十米。"

The United Kingdom has pledged to provide technical assistance to the peacekeeping effort in Darfur, including airlifting supplies and equipment to assist the African peacekeepers.

英国承诺为达佛的維和努力提供技术帮助，包括提供非洲的維和部队空运补給和裝备。

Results: The level of ET-1mRNA in placental villus was significantly higher in pre-eclamptic women than that in control group.

结果：妊高征组患者胎盘绒毛组织ET-1 mRNA的表达较正常妊娠组明显增高。