1) perfect difference family
完美差族
1.
In Chapter 1,we introduce some basic definitions and some known conclusions of perfect difference family,directed perfect difference family,perfect system of difference sets,additive sequence of permutations,(m,k,c)-system and its split,etc.
完美差族是组合设计理论中一个重要的概念,是具有某种特殊性质的一类差族,它可用于构造循环Steiner 2-设计C(v,k,1);此外,完美差族与完美差集合系统具有紧密的联系,它们在射电天文学、图论、实验设计、数字通讯以及计算机编码等重要领域都有广泛的应用。
2) directed perfect difference family
有向完美差族
1.
In Chapter 1,we introduce some basic definitions and some known conclusions of perfect difference family,directed perfect difference family,perfect system of difference sets,additive sequence of permutations,(m,k,c)-system and its split,etc.
本论文主要研究具有特定参数的完美差族、有向完美差族、完美差集合系统的存在性等相关问题,给出了一些关于Z_(gv)中(gv,g,k,1)-有向完美差族与Z_(gv)中(gv,g,3,1)-有向完美差族以及(m,k,c)-系统(k=4,5)的新的存在性结果。
3) Perfect Difference Families
完备差族
1.
The Existence of Balanced Difference Families and Perfect Difference Families;
平衡差族与完备差族的存在性
4) (ν,κ,λ)-CDDF
完全不相交差族
5) perfect system of difference sets
完美差集合系统
1.
It has close relationship with perfect system of difference sets,which have been applied in the significant fields of radioastronomy, graph theory,experimental design,digital communication and computer coding,etc.
完美差族是组合设计理论中一个重要的概念,是具有某种特殊性质的一类差族,它可用于构造循环Steiner 2-设计C(v,k,1);此外,完美差族与完美差集合系统具有紧密的联系,它们在射电天文学、图论、实验设计、数字通讯以及计算机编码等重要领域都有广泛的应用。
6) perfect
[英]['pə:fikt] [美]['pɚfɪkt]
完美
1.
Many implications and unavoidable imperfects in software practices, as the uncontrollable and the unknown parts, offend the foundation of most existed methodologies.
软件开发实践中存在的隐含成分和无法回避的“不够完美”,就是现实软件开发项目中的无法控制或未知部分,这违反现存的大部分软件开发方法的基础,如一致性。
2.
From mathematical Aesthetics four levels starting of"Appearance, Beautiful, Wonderful, Perfect",Explore the mathematical problem solving functional aesthetics.
文章从数学美学的"美观、美好、美妙、完美"四个层次出发,探讨数学解题中的美育功能。
3.
ZHUANG Zi s concept of art reflected in his works about the disabled is: perfect art does not rely on complete form,and incomplete form sometimes implies perfect art.
庄子畸人篇透射出这样一个文艺观:残缺也有美,残缺也可以完美,艺术的完美并不依赖于形式的完整。
补充资料：差差
1.犹参差。不齐貌。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条