ac:=MA(-100*(HHV(HIGH,34)-CLOSE)/(HHV(HIGH,34)-LLV(LOW,34)),19)+100;
BC:=-100*(HHV(HIGH,14)-CLOSE)/(HHV(HIGH,14)-LLV(LOW,14))+100;
DC:=EMA(-100*(HHV(HIGH,34)-CLOSE)/(HHV(HIGH,34)-LLV(LOW,34)),4)+100;
大底:(AC<15 AND REF(AC,1)<15 AND DC<18 AND BC>REF(BC,1) AND crOSS(BC,AC) AND BC>DC AND (REF(BC,1)<5 OR REF(BC,2)<5 ) AND (DC>=AC OR REF( BC,1)<1 ));