Routh method of reduction of Birkhoffian systems;
Birkhoff系统约化的Routh方法
Lotka-Volterra equations:reduction,classification and dynamics;
Lotka-Volterra方程:约化、分类及动力学性质
Symmetry Reductions and Similarity Solutions of Variant Boussinesq Equation Systems;
二类变式Boussinesq方程的对称性约化和精确解
Chapter 2 gives an account of the reducing of polynomials and the reducing algorithm of Groebner basis.
第二章阐述多项式约化问题并介绍了Groebner基约化算法。
Chapter 2 give an account of the reducing of polynomial group, adopting a kind of changed sequence to drop the degree of polynomial, the 3th chapter tell about the improved arithmetic of Grobner basis.
论文共分为五部分,第一部分是绪论,介绍了计算机代数和Gr(?)bner基的有关的基本概念、基本工具及其进展;第二部分阐述的是多项式约化问题,对多元多项式组化简和约化计算时,为了减少计算的复杂度与误差,把表达式中的一些变元较高的幂进行降幂或是因式分解,这里采用修正的序关系,在约化过程中防止某些变元的幂急剧增大,同时又可达到化简的目的。
Discover as a result:(1)though the absorption coefficient and laser brief strength is less in steam-ion mix area.
修正了激光辐照下金属材料复合气化汽离混合区对激光的吸收系数,导出了汽离混合区激光强度的时空分布关系,分析了汽离混合区的吸收系数和激光强度与关联参数的牵联机制,结果发现:(1)汽离混合区的吸收系数和激光约化强度虽然较小,但随时间分别成正弦和余弦规律分布。
The Pollution Problems and Treating Patterns of Intensive Hoggeries;
集约化养猪场的污染问题及治理模式
Imagination of intensive production at Baiyunebo;
白云鄂博铁矿集约化生产设想
Research on Industry Intensive Theory and Chinese Automobile Industry Intensive Development;
产业集约化理论与中国汽车产业集约化发展研究
To Construct "Intensification" English Curriculum Structure for Foreign-related Specialties in Vocational Higher Education Institutions;
依托涉外专业构建高职“集约化”英语课程体系
Discussion on teaching intensification of modern higher education;
论现代高等教育的教学集约化
Agricultural intensification through the use of high-yielding crop varieties,chemical fertilizers and pesticides,irrigation,and mechanization has contributed substantially to dramatic increases in food production.
农业集约化通过使用高产农作物品种、化肥、杀虫剂、灌溉以及农业机械化从根本上提高了粮食作物的产量,在一定程度上缓解了我国快速增长的人口与耕地资源相对不足之间的矛盾。
Study on Resource Intensiveness Recycle Utilizing in Shanghai;
上海市资源集约化循环利用研究展望
The determined orientation and character of public policing and the intensiveness of policing supervision mechanism are th.
公共警务工作目标的定向与定质,以及警务监控管理体系的集约化是公共警务发展的必然趋势。
It is noted that intensiveness development of customer service is inevitable and is compatible with requirements of SGCC.
介绍了福建省三级联网、二级监控、投诉集中管理的集约化客户服务中心组织模式、业务模式和技术实现平台,对以省为实体的客户服务集约化程度的选择进行了简要论述,通过中心实践效果分析及发展展望,说明客户服务的集约化发展有其一定的必然性,符合国网公司集团化运作、集约化发展、标准化建设、精益化管理的精神。
In view of advancing intension production, the paper puts forward that major progresses should be made in the field of coal mining method, technological research and innovati.
本文在重点分析国外煤炭生产技术特点和国内发展现状基础上,面对21世纪我国能源面临的巨大挑战,为加速煤矿现代化的步伐,煤炭科技工作承担着重大的历史使命;针对推进集约化生产,重点提出在采煤方法、工艺研究与创新和机电一体化、自动化煤矿开采技术装备等领域应取得重要进展。
Under the background of the new-industrialization path,vocational education leaks the intension road,it is accord with the development of modern vocational education.
在新型工业化的大背景下,职业教育走集约化道路,符合现代职业教育的发展方向。
In view of advancing intension production, the paper puts forward that major progresses should be made in the field of coal mining method, technological research and innovati.
本文在重点分析国外煤炭生产技术特点和国内发展现状基础上,面对21世纪我国能源面临的巨大挑战,为加速煤矿现代化的步伐,煤炭科技工作承担着重大的历史使命;针对推进集约化生产,重点提出在采煤方法、工艺研究与创新和机电一体化、自动化煤矿开采技术装备等领域应取得重要进展。
The developing tendency of international petrochemical industry has been turned into clustering,intensivism and integration.
园区化、集约化、一体化已成为世界石油和化工发展之潮流。
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