department LAN部门局域网departmentn.部门；系；科；处；局n.知识范围Department of Technical Science科学技术部departmental information system科室信息系统Department of Radio Engineering无线电工程系Department of the Army Pamphlet陆军部小册子department of technical physics技术物理学系Department of Defense Item Code国防部项目代码departmentized specialty stores专卖公司department of anus and intesine肛肠外科department of western languages西方语文系department of materials science材料科学系