把出现“底部”信号做成选股公式-通达信答疑

	编写条件： VRA:=EMA(100*(C-LLV(LOW,34))/(HHV(H,34)-LLV(LOW,34)),3); 底部:STICKLINE(CROSS(VRA,9),0,5,3.5,0),COLORFF00FF; STICKLINE(CROSS(VRA,9),5,10,2.5,0),COLOR00FFFF; STICKLINE(CROSS(VRA,9),10,15,1.5,0),COLORRED; DRAWTEXT(CROSS(VRA,9),13,'底部'),COLOR00FFFF; IF(底部,3,0),COLOR00FFFF,LINETHICK3; 编写方法：  VRA:=EMA(100*(C-LLV(LOW,34))/(HHV(H,34)-LLV(LOW,34)),3); XG:crOSS(vrA,9),COLOR00FFFF;