主力疯狂主图之B选股指标公式

DA:=(EMA(C,1)+EMA(C,2)+EMA(C,3)+EMA(C,4))/4;
DBB:=(EMA(C,10)+EMA(C,20)+EMA(C,40)+EMA(C,80))/4;
B:crOSS(DA-DBB,0);