n. any orchid of the genus Disa; beautiful orchids with dark green leaves and usually hooded flowers; much prized as emblematic flowers in their native regions
中文释义
abbr. Defense Information System Agency 国防信息系统局; Defense Information Systems Agency 国防信息系统局; defense information system architecture 国防信息系统体系结构; Data Interchange Standards Association 数据交换标准协会
