separationdisc离盘separationn.分离；分居；缺口；分隔线；[化]离析；【航】间隔separation of teaching and testing教考分离separation of lithium and magnesium锂镁分离separation and cultivation in vitro体外分离培养separation of hydrograph components水文因素分离Separation of Politics and Religion政教分离Separation of Farmers and Explorers分离农场主和探索者separation-break-away connector分离脱落式连接器separation of zirconium and hafnium锆铪分离Separation of copper and molybdenum铜钼分离separation of ownership and control所有权和控制权的分离,产权和管理的分离