三: three域: land within certain boundari ...系: system; series三域系统: three-domain system邻域系: neighborhood system; neighbourhood system等价邻域系: equivalent neighborhood system地域系统: area eps非定域系统: non-localized system邻域系统: neighbourhood system区域系数: area forecast; coefficient of region区域系统: districtsystem; zone system坐标邻域系: atlas独立领域系统: domain-independent system国家空域系统: national airspace system扩展色域系统: expanded-gamut color有限区域系统: limited area system域系统服务器: dns server非限制区域系统: non restricted area system孤立小块区域系统: pocketed system国家空域系统（美）: national airspace system (nas)国家空域系统网络: nasnet national airspace system network增强型色域系统: enhanced-gamut color质量转移区域系数: mass transfer-area coefficient综合国家空域系统: gnas general nas跨领域系统设计最优化: multidisciplinary system design optimization
