张线:=MA(CLOSE,181);
牛:=EMA(CLOSE,144)>=REF(EMA(CLOSE,144),1);
黄昏之星:=((((((REF(CLOSE,2) / REF(OPEN,2)) > 1.03) AND (REF(OPEN,1) >
REF(CLOSE,2))) AND ((ABS((REF(OPEN,1) - REF(CLOSE,1))) /REF(CLOSE,1))