difF:=EMA(CLOSE,12)-EMA(CLOSE,26);DEA:=EMA(DIFF,9);A2:=BArslAst(REF(CROSS(DIFF,DEA),1));MA20:=MA(CLOSE,20);强势洗盘:CROSS(DEA,DIFF) AND CLOSE>MA20 AND MA20>REF(MA20,1) AND DIFF>REF(DIFF,A2+1);