We proved that a space X is metrizable iff it has a weak base g-function satisfying conditions (s) and g2 (or (ks) and gl).
本文引入弱基g-函数的概念,利用它给出拓扑空间度量化的一些等价刻画。
In this paper it is showed that every regular space with a σ-colsure-preserving weak base is a hereditarily mata-Lindelof space.
本文证明了具有σ闭包保持弱基的正则空间是遗传亚Lindelof空间。
In this paper, by msss_mappings, the relations between metric spaces and spaces with σ _locally countable cs_networks or spaces with σ _locally countable weak bases are established.
本文利用msss 映射 ,建立了具有σ 局部可数cs 网的空间和具有σ 局部可数弱基的空间与度量空间的关系 ,这是对Alexandroff的部分问题的肯定回
A Note on Spaces with Locally Countable Weak-bases;
局部可数弱基空间的性质(英文)
Spaces Defined by Weak-bases and Related Results;
由弱基定义的空间及其相关结果
Reinforcement treatment methods of the building soft ground;
建筑软弱地基的几种加固处理方法
Ways selected and perspectives of soft ground treatment;
软弱地基处理方法选择与展望
Application of blasting lime pile method in treatment of soft ground;
爆扩石灰桩在软弱地基处理中的应用
The effect analysis of dealing with the architectural soft foundation based on powder spurting pile;
基于粉喷桩处理建筑软弱地基效果分析
A new soft foundation treatment method;
一种新型的软弱地基处理方法
Study on the construction technology of treating soft foundation by improved PTC tubular pile;
改进PTC管桩处理软弱地基施工工艺的研究
Design of geotextile-reinforced retaining wall on weak foundation;
软弱地基土工织物加筋土挡墙设计
Quality control of culvert construction on weak foundation;
软弱地基涵洞施工的质量控制
g-Functions, Weak Base g-Functions and Applications of Cardinal Functions;
g-函数，弱基g-函数及基数函数的应用
We have set up a$200 million Partnership Fund for the Disadvantaged.
我们设立了二亿元的携手扶弱基金。
Amino acids are weak acids and weak bases, therefore, they are excellent buffering agents.
氨基酸是弱酸和弱碱，因此，它们是很好的缓冲剂。
The Study of Fragile and Semi-fragile Digital Watermarking Technique for Digital Image Authentication;
基于图像认证的脆弱与半脆弱水印技术研究
Another basic problem is the domestic political weakness of Mr Maliki.
另一基本问题即马利基的内政弱点。
Variations of Env Gene and the Role of LTR During the Attenuation of Chinese Equine Infectious Anemia Virus Donkey Leukocyte Attenuated Strain;
马传染性贫血病毒弱毒疫苗致弱过程中env基因的变异及LTR的作用
The Role of Mutations in the S2 Gene in the Attenuated Virulence of the Chinese Attenuated Vaccine for Equine Infectious Anemia
S2基因变异在中国马传染性贫血病毒弱毒疫苗致弱中作用的研究
Council of the Queen Elizabeth Foundation for the Mentally Handicapped
伊利沙伯女皇弱智人士基金会
Queen Elizabeth Foundation for the Mentally Handicapped
伊利沙伯女皇弱智人士基金
There is still no fundamental improvement in the weak agricultural base.
农业基础脆弱的状况还没有根本改变。
Code for design of soft ground treatment for concrete water tank
混凝土水池软弱地基处理设计规范
Nor does genetic determinism undermine responsibility.
基因决定论同样也不会削弱责任感。
But Watergate eroded its foundations.
但水门事件削弱了这一路线的基
Urban environmental infrastructure is rather poor.
中国城市环境基础设施建设相当薄弱。
Weak D phenotype carrying Del allele:a case of report
鸕hD弱表现型个体携带D~(el)等位基因
China is a developing country with a weak economic foundation.
中国是一个发展中国家，经济基础薄弱。
Investment Portfolio Strategy of the risk bated based on β-set
基于β-域的证券投资风险弱化策略
The acrylic fibre with weakly acidic group has a low saturation value.
含弱酸性基团的腈纶纤维饱和值较小。