DIFF:= Ema(CLOSE,12) - EMA(CLOSE,26);
DIF:=EMA(CLOSE,12)-EMA(CLOSE,26),LINETHICK2;
DEA:=EMA(DIF,9),COLORWHITE;
低位金叉:=crOSS(DIFF,DEA) AND DIFF<-0.1;
JCCOUNT:=COUNT(CROSS(DIFF,DEA),BArslAST(DEA>=0));
二次金叉:=CROSS(DIFF,DEA) AND DEA<0 AND COUNT(JCCOUNT=2,21)=1;
B1:=BARSLAST(REF(CROSS(DIFF,DEA),1));
底背离:=REF(CLOSE,B1+1)>CLOSE AND DIFF>REF(DIFF,B1+1) AND CROSS(DIFF,DEA);
三全项:低位金叉 AND 二次金叉 AND 底背离;