The equations of two classes of 3D polynomial maps that are equivariant with respect to the rotational symmetries of either a regular tetrahedron group or a regular octahedron group are strictly given, on the basis of which the properties of the general Julia sets created by these 3D polyno.
从理论上分析并证明了三维多项式映射满足等变的条件,精确地给出了关于正四面体群和正八面体群具有旋转不变对称性的两类三维等变映射的具体公式,在此基础上讨论并证明了三维多项式映射的广义Julia集所具有的性质。
Simulation experiments are performed on several structural types, including the riprap, tetrahedron frame structure, hinged fascine mattress, and so on.
对不同护岸结构型式的护岸机理进行分析,结合南京河段护岸整治现状,选用抛石、四面六边体框架群、混凝土铰链排等护岸型式进行模拟比较试验。
The engineering protection measures of tetrahedron frame group for scour prevention and bank base eroding protection applied to practical projects and laboratory tests in recent years were systematically summarized,and the protectionmechanism and effect of tetrahedron frame group as well as their advantages and disadvantages were discussed and appraised.
系统地总结了近年来应用于实际工程和室内实验研究的四面体透水框架群防冲固脚技术的研究现状,对这种防冲固脚技术的防护机理、防护效果和防护的优缺点进行了论述和评价,并介绍了四面体透水框架群防护的工程实例,以及该防护工程技术在后续研究和工程应用的主要方向。
Genetic linkage mapping based on SSR marker with a four-way cross population in Gossypium hirsutum L.;
利用四交群体构建陆地棉栽培品种间的SSR标记遗传图谱
Experimental Study on Field Around Tetrahedron Frame
四面体透水框架群防冲固脚技术研究进展
Study on beach protection with triangular taper penetrating frame groups
四面六边透水框架群的护滩效果研究
Three-dimensional hydrodynamic model of concrete tetrahedral frame revetments
四面体框架群三维水动力模型(英文)
Study on Hydraulic Characteristics of Wake Stream of Permeable Tetrahedron(s) and Application;
透空四面体（群）尾流水力特性及应用研究
Studies in the laboratory and actual projects show that this type of frame has evident functions in decelerating flow and promoting sedimentation.
在室内试验研究成果的基础上，将四面六边透水框架用于实际护岸工程中。
The Experimental Study on Flow Characteristics of Tetrahedron-like Penetrating Frame and Bank-protection Application;
透水框架体水流特性及护岸应用试验研究
Foreign Reports on China's Mainstream Media Analysis Through Frame Media
框架建构理论透视下的中国主流媒体外国报道
Framework-oriented Distributed Ship Hydrodynamics Integrated Design System;
面向框架的舰船水动力集成设计系统
Specification of lead frames for plastic quad flat package
GB/T15876-1995塑料四面引线扁平封装引线框架规范
Manchu's family education in Qing Dynasty consisted of culture, morals, physical culture and life.
文化、德、育、活等四个方面的内容,支撑起清朝满族家庭教育的整体框架。
User-oriented Uniform Security Frame in IMS Media Level
面向用户的IMS媒体层统一安全框架
Ontology mapping framework for semantic Web services
一种面向语义网服务的本体映射框架
Study on Ecological Operations of Reservoirs in the Yellow River
黄河干流水库生态调度总体框架研究
Study on Framework of Evaluation System of Water Hazard in Mountainous Highway
山区公路水灾害评价体系框架的研究
The Legal Solution of the Economic Integration among Four Places Crossing Straits under the WTO Framework;
WTO框架下两岸四地区域经济一体化的法学路径
The Fulfillment Course of Applying Roller-Skating Exercise to Track and Field Teaching at the Framework for Four-dimension Whole
四位一体框架下轮滑运动在田径课程中的应用
Comparative Analysis of Enterprise Risk Management and Internal Control Integrate Framework;
全面风险管理框架与内部控制整体框架的比较分析
Study of Common Integrated Framework Supporting Group Work;
支持群体工作的通用集成框架技术研究