1) difference family
差族
1.
Combinatorial designs is an important branch of Combinatorial mathematicas,and it is widely used in cryptography and coding theory [1],introduces two new types of combinatorial designs,which are called External difference family(EDF) and External balanced incomplete block design(EBIBD),but it does not give detailed research on these two designs.
文献[1]定义了两种新的组合设计:外差族(EDF)和外平衡不完全区组设计(EBIBD),但是该文献并没有对它们做出详细的研究。
2.
The necessary and sufficient conditions for the existence of a(gv,g,3,λ)-Mendelsohn difference family in Zgv are established.
差族是组合设计理论中一类十分重要的设计,利用差族可以有效地构做其他各类设计。
3.
The existence conditions of the(q,3,λ)-difference family were given.
给出了λ≤3时(q,3,λ)-差族存在的条件。
2) ethnic difference
种族差异
1.
Conclusion This study provides reliable reference value of serum leptin in adult women and discovers ethnic difference with American NHW,NHB,and AM females.
6μg/L,中国成年女性血清瘦素浓度与美国非西班牙白人、非西班牙黑人和美国墨西哥女性存在显著的种族差异。
3) Racial difference
种族差异
1.
This paper deals with male and female names, and naming patterns in English in terms of suffix, sexual difference, racial difference as well as Biblical names, which reveals that names in English are more symbols of social, historical and cultural factors rather than labels for human identity.
本文从后缀 ,性别差异 ,种族差异和《圣经》等多方面分析了英语中的男女姓名。
4) external difference families
外差族
1.
In 2004, Ogata, Kurosawa, Stinsion and Saido [1] introduced a new type of combinatorialdesigns——external difference families(EDF), which are related to difference families and used itto construct authentication codes and secret sharing.
2004年，Ogata，Kurosawa，Stinson和Saido[1]引进了一种新的组合设计——外差族(External Difference Families简记为EDF)，并将其应用到认证码及密钥分享中。
5) almost difference family
拟差族
6) near difference family
拟差族
1.
The existence of the (p, 5, 3, 1)-near difference family;
一类(p,3,5,1)—拟差族的存在性
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