赚了又赚之买入选股指标公式

AA:=EMA(EMA((C-REF(C,1)),6),6)*100/EMA(EMA(Abs((C-REF(C,1))),6),6);
DD:=LLV(AA,BArslAST(AA MR:=crOSS(AA,DD*0.66) AND AA<0 AND DD<-20;
买入:MR;