VAR19:=(CLOSE-REF(CLOSE,1))/REF(CLOSE,1)*100;
VAR1A:=(EMA(CLOSE,12)-EMA(CLOSE,26))*100;
VAR1B:=EMA(VAR1A,9);
底:VAR1A<-50 AND VAR19>7 AND VAR1A
VAR19:=(CLOSE-REF(CLOSE,1))/REF(CLOSE,1)*100;
VAR1A:=(EMA(CLOSE,12)-EMA(CLOSE,26))*100;
VAR1B:=EMA(VAR1A,9);
底:VAR1A<-50 AND VAR19>7 AND VAR1A