N:=540;{默认参数设置原理:一个交易季约60日,故取9,3,3分别×60}
	M1:=2,1000,180;
	M2:=2,1000,180;
	RSV:=(CLOSE-LLV(LOW,N))/(HHV(HIGH,N)-LLV(LOW,N))*100;
	K:SMA(RSV,M1,1);
	D:SMA(K,M2,1);
	J:3*K-2*D;
	CD:=20;
	TD:=80;
	安全线:IF(J<=40,CD,DRAWNULL),DOTLINE,COLORLIRED;
	逃顶线:IF(J>=60,TD,DRAWNULL),DOTLINE,COLORLIGREEN;
	铁底入场:=IF(CROSS(K,D),1,0);
	DRAWTEXT(铁底入场,D*0.98,'铁底入场'),COLORBROWN;
	DRAWTEXT(铁底入场,D*0.86,'胆大不怕'),COLORBROWN;
	DRAWTEXT(铁底入场,D*0.74,'满满发发'),COLORBROWN;
	