编写条件：macd三次底背离的选股公式。编写方法：DIFF:=Ema(CLOSE,12) - EMA(CLOSE,26);DEA:=EMA(DIFF,9);A1:=BArslAst(REF(crOSS(DIFF,DEA),1));A2:=REF(CLOSE,A1+1)>CLOSE AND DIFF>R...