cascadesn.叶棚；瀑布名词cascade的复数形式.cascaden.瀑布；[电]串联v.瀑布似地落下；（将 ... ）连结；串联cascade screens[电] 串级银幕cascade stomach瀑布形胃cascaded filter级联滤波cascade decoder级联译码器cascade control串联调速,串级控制,级联控制,级联调节,阶式控制cascade buncher级联聚束器,多级聚束腔cascade ciphers级联加密cascade grazing级联式摄食cascade sampler阶式取样器cascade washing梯流式水洗