1、多级的
...顶级的 first rank-highest quality; to-the -line多级的 many stage; manystage; many-staged; multispeed; multigrade; multilevel; multiple order; multiple stage; multiple-order; multiple-step; multiplestagemultistep; multipolar; multistaged; polystage; stepped二级的 double stage; double-stage; second level; second order; second-class; second-degree; secondary; two-step ...
polystage activity多期活动性
polystage amplifier多级放大器;多级放年夜器
Polystage-decimation filter多级抽取滤波器
complex polystage ore deposit复成多阶段矿床