In this thesis, we study the structure of co-cycle spaces of connected graphs, which is an important subject in graph theory.
但是与相对较为成熟的圈空间理论相比，对割空间的研究则显得较少。
A new approach is proposed in this paper, based on the cut space and the cycle space in the graph theory.
本文运用图论中的向量空间,包括圈空间及割空间,建立基本的计数方法,这一方面简化了群论方法的证明,另一方面更深入地揭示出同胚分类与圈结构的关系。
Metropolitan region spatial scale belongs to urban spatial form and structure research ofurban geography.
都市圈空间范围属于城市地理学中城市空间形态与结构研究范畴。
Through comparison of them, it’s known that the AC-sampling circuit with air-core coil current transformer can completely satisfy the requirements of power system, and still can realize the protection of the wider current range.
通过对比可知,采用空心线圈电流互感器的交流采样方式完全能满足电力系统保护和测量的需要,而且还能实现更宽电流范围的保护。
The paper presents the principle of the air-core coil current transformer and points out the differences between the electronic transformers and the traditional ones.
开发新型电子式互感器是电力系统自动化和数字化的一个发展方向 ,文中论述了空心线圈用做电流互感器的工作原理及与传统互感器的不同之处 ,根据保护的要求 ,重点分析了频响工作特性 ,并针对具体对象研制了样机。
This paper analyzes the characteristics of RSD switching current, and selects measurement method by means of air-core coil.
首先分析了高压大功率RSD开关电流的特点,确认了空心线圈测量方法。
The calculation of the spatial distribution of the magnetic field in the deflection coils of EM
电镜用偏转线圈空间磁场分布的计算
The Definition of Spatial Area of SMA Based on the 1-Hour Transportation Circle and Research on Integrative Development of SMR;
基于一日交流圈的沈阳大都市圈空间范围界定与整合发展研究
Research on Defining the Scope of the Metropolitan Area Based on the Spatial Analysis Function of ArcView--A Case Study of Nanjing Metropolitan Area
基于ArcView空间分析功能的都市圈空间范围界定研究——以南京都市圈为例
Study on the Spatial Development Mechanism and Adjustment-Control in Metropolis Ring Harbin;
哈尔滨都市圈空间发展机制与调控研究
an enclosed space in which the air pressure is higher than outside.
气压高于外界的圈起来的空间。
Study of the Development of Xianyang Urban Area in Xi an Metropolis;
西安都市圈内咸阳城市空间发展研究
RESEARCH ON HARBIN METROPOLIS CIRCLE S DEVELOPMENT OF URBANIZATION AND SPATIAL ORGANIZATION;
哈尔滨都市圈城市化发展与空间组织
Spatial Fractal and Organization of the Urban System of Wuhan Metropolitan;
武汉都市圈城镇体系空间分形与组织
The distribution of magnetic field of current carrier round coil in space any point;
载流圆线圈在空间任一点的磁场分布
Metrapolitan area planning: the new mode of regional space planning;
都市圈规划:地域空间规划的新范式
Analysis and Simulation on Spatial Structure of Multi-pile Tufting Carpet
多圈高簇绒地毯空间结构分析和模拟
The Spatial Electric Field Distribution Generated by a Uniformly Charged Square Coil
均匀带电正方形线圈的空间电场分布
ANALYSIS OF SPATIAL SPILLOVERS OF TOURISM ECONOMY IN WUHAN METROPOLITAN AREA
武汉城市圈旅游经济的空间溢出分析
The fundamental circuits relative to a spanning tree is a basis of the circ subspace.
与一生成树相关的基本圈是广义圈子空间的一个基底。
Do you keep your eye upon the doughnut, not upon the hole?
你的眼睛盯着炸面包圈，还是它中间的空洞？
a non-Euclidean geometry that regards space is like a sphere and a line is a great circle.
视空间为球而线为圆圈的非欧几里得几何学。
Have you marked the space around yourself as yours?
你把周围的地方圈出作为你自己的空间了吗？
The Spatial Pattern of Population and Regional Economic Development in Metropolitan Area;
大都市圈人口空间格局与区域经济发展
