This paper presents a construction of a symmetric association scheme and a set of PBIB designs of class q+1 based on the finite singular unitary geometries.是什么意思_This paper presents a construction of a symmetric association scheme and a set of PBIB designs of class q+1 based on the finite singular unitary geometries.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句