DIF:=EMA(CLOSE,12)-EMA(CLOSE,26);
DEA:=EMA(DIF,9);
MACD:=(DIF-DEA)*2;
��ʼ:=MACD>REF(MACD,1)AND DIF<DEA AND REF(MACD,1)<REF(MACD,2);
DIFA:=EMA(CLOSE,52)-EMA(CLOSE,127);
DEAA:=EMA(DIFA,38);
MACDA:=(DIFA-DEAA)*2;
AA:DIFA>DEAA AND ��ʼ AND DEA>REF(DEA,30);