RSV:=(CLOSE-LLV(LOW,N))/(HHV(HIGH,N)-LLV(LOW,N))*100; K:SMA(RSV,3,1),COLORRED,LINETHICK2; D:SMA(K,3,1),COLORYELLOW,LINETHICK2; 20; 80; A1:=BARSLAST(REF(CROSS(K,D),1)); 底背:=REF(CLOSE,A1+1)>CLOSE AND K>REF(K,A1+1) AND CROSS(K,D); 底:DRAWLINE(A1=0,D,底背,D,0),,COLORMAGENTA,LINETHICK2; DRAWTEXT(底背,D,'底B'),COLORMAGENTA; A2:=BARSLAST(REF(CROSS(D,K),1)); 顶背:=REF(CLOSE,A2+1)D AND CROSS(D,K); 顶:DRAWLINE(A2=0,D,顶背,D,0),COLORGREEN; DRAWTEXT(顶背,D,'顶B'),COLORGREEN; 双金叉:IF(SUM(CROSS(K,D)AND D<20,15)>=2 AND CROSS(K,D)AND C>O,100,0),COLORRED;