非面向目的节点的无环有向图
destination disoriented acyclic directed graph
面向目的节点的无环有向图
destination oriented acyclic directed graph
单信道双电视节目传输系统
two in one TV transmission system
电视节目监控器
television programme monitor
电视节目制作
TV program production
TV programs making
television program making
television porgram designing
电视节目质量
television program quality
多路卫星电视节目
multi-satellite TV programs