VAR1:=EMA(EMA(EMA(C,5),5),5); VAR2:=VAR1-REF(VAR1,1)+VAR1; VAR3:=crOSS(VAR2,MA(VAR2,26)); VAR4:=CROSS(MA(C,13),MA(C,21)); 圆底:VAR3 AND VAR4; 
VAR1:=EMA(EMA(EMA(C,5),5),5); VAR2:=VAR1-REF(VAR1,1)+VAR1; VAR3:=crOSS(VAR2,MA(VAR2,26)); VAR4:=CROSS(MA(C,13),MA(C,21)); 圆底:VAR3 AND VAR4; 八天曾经响炮:COUNT(圆底,8)>=1;
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