AA1:= AMOUNT/VOL;
BB1:= LOW<AA1*0.9;
CC1:= (CLOSE-REF(CLOSE,1))/REF(CLOSE,1)*100>1.2;
DD1:= LOW<MA(CLOSE,5)*0.921;
EE1:= VOL<MA(VOL,5)*1.5;
FF1:= BB1 AND CC1 AND DD1 AND EE1;
买3:= FILTER(FF1,3);
长期底部:=