separationn.分离；分居；缺口；分隔线；[化]离析；【航】间隔separation margin避开裕量separation scheme分隔方案separation theory分离原理separation degree分离度separation factor分离因子,分离系数,分选系数separation detail分离细部separation liquid隔离液separation within群内分化separation barrier隔离墙separation vehicle隔离车