EMA3:EMA(C,3),COLORWHITE;
EMA47:EMA(C,47),LINETHICK0,COLORRED;
红线上涨:IF(EMA47>REF(EMA47,1),EMA47,DRAWNULL),LINETHICK2,COLORRED;
绿线下跌:IF(EMA47<=REF(EMA47,1),EMA47,DRAWNULL),LINETHICK2,COLORGREEN;

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