department LAN部门局域网departmentn.部门；系；科；处；局n.知识范围Departments'culture constructiondepartment of aerial engineering航空工程系Department of Trade and Industry贸易与工业部Department of Human IntelligenceDepartment of Army General Order陆军部一般命令department of infectious disease传染科Department of Telecommunications电信部department of veterinary surgery兽医外科学系Department of Air Force Civilian空军部文职人员Department of Tourist Management旅游管理系