二元: binary; dual; dualistic数: frequently; repeatedly二元数据: binary data二进制数, 二元数: dyadic number二相二元数据: two mode two way data; way data元数: arity八元数: biquaternino; biquaternion; octonion纯元数: repunit单元数: number of elements四元数: quaternion numbers元数据: metametadata; metabase; metadata元数学: metamathematics半四元数: semiquaternion传递单元数: number of transfer unit传热单元数: ntu; number of transfer units传质单元数: number of transfer units; number of mass transfer unit; number of transfer unit单元数据: cell data; udt unitdata; unit data单元数位: unit digit对偶四元数: dual quaterion反四元数: inverse quaternion服务元数据: web services metadata复四元数: biquaternino; biquaternion附加元数学: extra-metamathematics共轭四元数: conjugate quaternion关联的元数: order of the association
