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RSV1:=(CLOSE-LLV(LOW,21))/(HHV(HIGH,21)-LLV(LOW,21))*100;
RSV2:=(CLOSE-LLV(LOW,37))/(HHV(HIGH,37)-LLV(LOW,37))*100;
短线:=SMA(Sma(RSV1,3,1),3,1)+3*stD(CLOSE,21),COLOR00FF00;
中线:=SMA(RSV2,5,1)+2*STD(CLOSE,37),COLORRED;
RSV3:=(CLOSE-LLV(LOW,55))/(HHV(HIGH,55)-LLV(LOW,55))*100;
长线:=SMA(RSV3,5,1),COLORYELLOW;
中线2:=-100*(HHV(HIGH,40)-CLOSE)/(HHV(HIGH,40)-LLV(LOW,40));
底:crOSS(中线2,-90) AND (长线<中线 AND 长线>REF(长线,1)OR 短线<20 AND 中线<20 AND 长线<20);