摘要
A new type of design, called a t-PBIB design, is introduced by combining the notion of a t-design and the one of PBIB design. Some basic properties of a t-PBIB design are given, and a class of 3-PBIB designs is constructed by means of finite vector spaces.
<正> A new type of design, called a t-PBIB design, is introduced by combining the notion of a t-design and the one of PBIB design. Some basic properties of a t-PBIB design are given, and a class of 3-PBIB designs is constructed by means of finite vector spaces.
