请老师把下面2个指标改为选股公式1.TT:=DCLOSE-CLOSE;XG1:=C>REF(C,1)AND TT>=REF(TT,1) AND TT/C>=0.1;XG2:=REF(XG1,1)=1 AND C/REF(C,1)<1 DIFFV:=EMA(DCLOSE,9)-EMA(DCLOSE,27);DEAV: EMA(DIFFV,5);A1V:=CROSS(DIFFV,DEAV);底背离:>CLOSE AND DIFFV>REF(DIFFV,A1V+1) AND CROSS(DIFFV,DEAV);DEA0:=EMA(DIFFV*100,9);MACD0:=2*(DIFFV*100-DEA0);黑马:=(MACD0>REF(MACD0,1)*2.5 AND MACD0>15);LHT:=底背离 AND 黑马;DRAWTEXT(LHT,REF(CLOSE,1)*0.78,'龙回头'),COLORLIBLUE; 编写条件：编写方法：&np;【第一个：DCLOSE不定——】TT:=DCLOSE-CLOSE;XG1:=C>REF(C,1)AND TT