将辣妹子附图的“买点”写成 选股及预警公式
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编写要求：
RSV:=(CLOSE-LLV(LOW,9))/(HHV(HIGH,9)-LLV(LOW,9))*100; K:=SMA(RSV,3,1); D:=SMA(K,3,1); J:=3*K-2*D; J1:=REVERSE(J); AA:=REF(MA(C,1),10)>REF(MA(C,60),10);买点:CROSS(J,J1) AND AA; STICKLINE(买点,0,30,12,0),COLOR0000FF; STICKLINE(买点,30,60,10,0),COLORWHITE; STICKLINE(买点,60,80,6,0),COLORYELLOW; DRAWTEXT(买点,40,'买'),COLORFF00FF;
11q.cn解答：
RSV:=(CLOSE-LLV(LOW,9))/(HHV(HIGH,9)-LLV(LOW,9))*100;
K:=SMA(RSV,3,1);
D:=SMA(K,3,1);
J:=3*K-2*D;
J1:=REVERSE(J);
AA:=REF(MA(C,1),10)>REF(MA(C,60),10);
买点:CROSS(J,J1) AND AA;
