ac:=LAST(REF(c,1) REF(c,2)) =4 AND c REF(c,1);{价格条件} bv:=LAST(REF(VOL,1) REF(VOL,2)) =4 AND VOL REF(VOL,1);{成交量条件} cm:=ma(c,5) ref(ma(c,5),1);{均线条件} 选股信号:ac and bv and cm;{信号输出}