查询词典 contractible graph

Using combinatorial thoughts and topological methods,a closed curve system that contains the most number of non-contractible,pair-wise disjoint and pair-wise non-homotopic closed curves on the orientable surface is investigated.

利用组合数学的思想、拓扑的方法研究在可定向曲面上，一类含有个数最多的不可收缩的、两两不相交、互不同伦的圈系统及其性质，得出了关于这些圈的一些拓扑定性性质，并给出这些圈在曲面上的位置分布。

Among them, crux is to should reform active duty to expend system of system of n duality of system, urban and rural intersected, local government body and cadre, price scissors of contractible industry and agriculture.

其中，关健是要改革现行的税费制度、城乡分割的二元体制、地方政府机构和干部制度，缩小工农业剪刀差。

For this, enlarging edge edge respect of difference of open, contractible north and south, should accelerate development extroversion economy, enlarge the economic technology collaboration with circumjacent country, accelerate construction of key of area of collaboration of border land economy, explore new pattern of international freedom area, trade division, increase policy of subtense condition area give aid to strength, explore the new approach that issues economy of region of border district having a follow to develop characteristic thereby.

为此，在扩大沿边开放、缩小南北差距方面，应加快发展外向型经济，扩大与周边国家的经济技术合作，加快边境经济合作区重点建设，探索国际自由区、贸易区新模式，并加大对边境地区政策的扶持力度，从而探索出具有沿边地区经济发展特色的新路子。

Taking one with another, investment of PE of area of engine of growth of 3 old economy distributings tend balanced, in-house difference has contractible tendency.

总的来看，三大经济增长引擎区域PE投资分布趋于均衡，内部差距有缩小趋势。

The work up that carries a system integratedly as our country and perfect, relatively fragile in the past highway, waterborne especially marine wait for contemporary carriage means, below the new condition of reforming and opening, grasp opportunity, produce respective advantage, realized rapid development, broke railroad the monopoly position in freight, reasonable billabong partial railroad freight flow, enlarged freight market share, improved composition of market of our country freight, the inevitable result that should say this is modernization of progress of economic progress, society, traffic, but will look from another angle, also mirror taphole road to develop become rigid of logy, mechanism, lack to innovate, the demand that incommensurate socialist market economy expands, from this and contractible, market owns the market share that cause rate drop considerably, what should say these are not traffic development is inevitable, what system of incommensurate socialist market economy leaves the field such as ability of means of system of as politic as railroad oneself development, management, sale, service is normal move have affinity.

随着我国综合运输体系的逐步发展和完善，过去相对薄弱的公路、水运尤其是海运等现代运输方式，在改革开放的新形势下，把握机遇，发挥各自优势，实现了快速的发展，打破了铁路在货运中的垄断地位，合理分流了部分铁路货流，扩大了货运市场份额，改善了我国货运市场结构，应该说这是经济发展、社会进步、交通现代化的必然结果，但是从另一个角度来看，也反映出铁路发展迟缓、机制僵化、缺乏创新，不适应社会主义市场经济发展的需求，由此而造成的市场份额缩小、市场占有率大幅下降，应该说这些并不是交通发展的必然，与铁路自身发展策略、治理体制、营销方式、服务能力等方面不适应社会主义市场经济体制下的正常运行有密切关系。

In first two chapters we study mainly some problems about the contractible edge of graphs.

本文的前两章主要研究的是关于图的可收缩边的问题。

In process of construction of new rural area, gap of contractible and urban and rural income is crucial place.

新农村建设过程中，缩小城乡收入差距是关键所在。

Do we and the in the process difference that the competitor competes have how old and contractible?

我们和竞争对手竞争的过程中的差距有多大缩小？

However, the bulk of contractible chip has become more and more difficult now, cost is higher and higher also.

然而，缩小芯片的体积此刻已经变得越来越困难，本钱也越来越高了。

"The idea of video is too broad extensive, we need the characteristic according to the user, contractible this limits."

&视频的概念太宽泛了，我们需要根据用户的特点，缩小这个范围。&

The dissecting of samples in group2 were difficult. The root of pulmonary artery and ascending aorta failed to be unfolded because fibrous tissue was tough, right and left fibrous trigone were too firm to be solved by hand. Cardiac muscle fibers couldn't be stripped along myofibrillar trajectory since they were prone to break because of their friability.

组2的心脏解剖困难，表现为纤维组织坚韧，游离肺动脉非常困难；徒手无法松解左、右纤维三角，肺动脉和主动脉根部的游离非常困难；心肌纤维坚硬、质脆，解剖时容易断离成碎块，无法沿纤维走行方向剥离。

We have battled against the odds in a province that has become increasingly violent.

我们对在一个争夺日益激烈省的可能性。