通信达公式中线启动选股aa:=(MA(CLOSE,3)+MA(CLOSE,6)+MA(CLOSE,12)+MA(CLOSE,24))/4;
bb:=EMA(CLOSE,12)-EMA(CLOSE,26);
zz:=EMA(bb,9);
MACD:=(bb-zz)*2;
XG:CROSS(C,aa)ANDMACD>0ANDREF(EVERY(MACD<REF(MACD,1),3),1)ANDMACD>REF(MACD,1);