DIF:=EMA(CLOSE,9)-EMA(CLOSE,150);DEA:=EMA(DIF,12);MACD:=2*(DIF-DEA);启动点:macd<0 AND MACD>REF(MACD ,1) AND REF(MACD ,1)<REF(MACD ,2) AND REF(MACD ,2)<REF(MACD ,3) AND REF(MACD ,3)<REF(MACD ,4);