ac:=LAST(REF(c,1)>REF(c,2))>=4 AND c bv:=LAST(REF(vol,1)>REF(VOL,2))>=4 AND VOL 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}