实体: substance entity递送: send; deliver存取: access单元: unit; unit element; cell; lo ...实体递送: physical delivery实体递送系统: physical delivery system存取单元: access unit; accessed bit多站存取单元: multistation access unitt媒体存取单元: media access unit (mau)数据存取单元: dau data access unit中继存取单元: trunk access unit多站点存取单元: mau multistation access unit电子数据交换存取单元: edi-au edi access unit待取单元: pickup单存取单分配: single access single distribution信息存取单位: information access unit卷取头；卷取单元: winding unit并行存取单行分配: parallel access single distribution档案传送存取及管理: file transfer access and management (ftam)档案转送存取及管理: file transfer access and management; ftam文件传送存取和管理: ftam file transfer access and management文件传送存取和管理服务: ftams file transfer access and management services; ftams file transfer access and management services文件传送存取及管理: management file transfer access and; management, file transfer access and (ftam)文件传送存取与管理: ftam file transfer access and management实体存取等级: physical access level
