前日涨:=2.5; 今日涨:=3;LL1:=REF(VOL,2)*0.96>REF(VOL,1);LL2:=REF(C,2)/REF(C,3)>=(1+前日涨/100);LL3:=VOL>REF(VOL,1) AND REF(C,1)<REF(C,2);LL4:=C/REF(C,1)>=(1+今日涨/100);LL1 AND LL2 AND LL3 AND LL4;