MA5 :=EMA(CLOSE,5);
趋势:=MA5-EMA(MA5,2);
JCSJ1:=BARSLAST(CROSS(趋势,0))+1;
JCSJ2:=JCSJ1+REF(JCSJ1,JCSJ1);
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双底:JCSJ1=1 AND MA5>REF(MA5,JCSJ2) AND COUNT(趋势<0,4)>=2;