传递: transmit; deliver; pass on; ...单元: unit; unit element; cell; lo ...数: frequently; repeatedly传递单元高度: height of transfer unit正向传递单元: forward transfer element; forward-transfer element最大传递单元: mtu maximum transfer unit传递单词: passing on a word传递单位: transmission unit; tu传递单位数: number of transfer units单元数: number of elements传递单位目数: ntu; number of transfer units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基本单元数: number of elementary entitles结束单元数: stop element number每套单元数: no.of unit/array起始单元数: start element number单元数据服务: udts unitdata service反应器单元数: number of reactor unit加强单元数据: enhanced unit data xudt可分解单元数: resolvable number单元数字分组数据: cdpd celluar digital packet data扩展式单元数据: xudt extended unit data