levelset水平集leveln.数量；等级；水平；水平线adj.平的；等高的v.弄平；夷平；对准adv.<废>水平地level of electronic packaging电子组装级level-zero interrupt vector零级中断向量Level by level analysis method层次分析Level of Structure in Teaching层次教学level-compound excited motor平复激电动机Level of earthquake resistance抗震等级level of processing hypothesis加工水平说Level of Industrial Protection产业受保护程度levels of organizational slack冗余程度level-pattern shortest paths层进式最短路径