department LAN部门局域网departmentn.部门；系；科；处；局n.知识范围department of physical education体育系department of addiction behavior药物成瘾行为科Department of child orthopaedics小儿骨科department of internal neurology神经内科department of naval architecture造船学系Department of Chinese Literature中国文学系Department of Defense Regulation国防部规章Department of Textile Engineering纺织工程系departmental system of management分部门管理体制department of medical instruments医疗器械科