Leveles莱韦莱什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 shift amplifier电平漂移放大器level of anticipation预期层次Leveling across river跨江水准level vector quantity平面向量level above threshold阈上水平level-enable signal电平启动信号level conversion unit电平变换装置level-crossing boom平交道口栏木level detection logic电平检测逻辑level control network水准控制网