龙行MACD
指标由2组参数算出2条类是MACD走势的彩带，
当黄线由下降之后开始走平，
出现红色或者紫色柱子买入参考
源码
DIFF:=EMA(CLOSE,13)-EMA(CLOSE,34);DEA:=EMA(DIFF,9);AA:=MA(DEA,21);AB:=MA(AA,5);SL:MA(DIFF,88),coloryellow,LINETHICK3;STICKLINE(AA>AB,AA,AB,3,0),colormagenta;STICKLINE(AA<AB,AA,AB,3,0),colorcyan;STICKLINE(DIFF>DEA,DIFF,DEA,3,0),colorred;STICKLINE(DIFF<DEA,DIFF,DEA,3,0),colorgreen;
