SHORT:=5;LONG:=34;MID:=5;龙头:EMA(CLOSE,SHORT)-EMA(CLOSE,LONG),LINETHICK3,NODRAW;龙尾:EMA(龙头,MID),LINETHICK3,NODRAW;海平面:(龙头-龙尾)*2,colorblue;DRAWBAND(EMA(CLOSE,SHORT)-EMA(CLOSE,LONG),RGB(255,98,255),EMA((EMA(CLOSE,SHORT)-EMA(CLOSE,LONG)),MID),RGB(0,166,0));IF(龙头>龙尾,龙头,DRAWNULL),coloryellow,LINETHICK1;IF(龙尾<龙头,龙尾,DRAWNULL),coloryellow,LINETHICK1;