DIFF:=EMA(CLOSE,12)-EMA(CLOSE,27);DEA:=EMA(DIFF,9);:=OSS(DIFF,DEA) AND DIFF<-0.1;JCCOUNT:=COUNT(CROSS(DIFF,DEA),BARSLAST(DEA>=0));:=CROSS(DIFF,DEA) AND DEA<0 COUNT(JCCOUNT=2,21) A1:=BARSLAST(REF(CROSS(DIFF,DEA),1));:>CLOSE AND DIFF>REF(DIFF,A1+1) AND CROSS(DIFF,DEA);三全项:低位 AND 二次金叉 AND 底;