龙飞凤舞选股指标（底部将启动）

龙行凤影:=3*SMA((CLOSE-LLV(LOW,27))/(HHV(HIGH,27)-LLV(LOW,27))*100,5,1)
-2*SMA(SMA((CLOSE-LLV(LOW,27))/(HHV(HIGH,27)
-LLV(LOW,27))*100,5,1),3,1);
龙飞凤舞:=IF(龙行凤影<=10,-20,-40),COLOR0000FF,LINETHICK2;
XG:龙飞凤舞= -20;