把该公式改为选股公式

N:=BARSSINCEN(L=LLV(L,20),30);
 A1:=IF(CURRBARSCOUNT<20 AND C<10,CONST(LLV(L,20)),DRAWNULL);
 {STICKLINE(1,A1,A1-0.2,4,0),COLORBLUE;}
 A2:=IF(CURRBARSCOUNT<20 AND C<10,CONST(HHV(C,20)),DRAWNULL);
 {DRAWBAND(MA(L,20)*0.98,90,A2,90);}
 {STICKLINE(1,A1,MA(L,20),0,-1),COLORBROWN;}
 DRAWKLINE(H,O,L,C);

 A3:A1+0.1,COLORBROWN,LINETHICK2;
 DRAWICON(MA(L,20)/A3<1.02 AND L/A3<1.02,A3,26);

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选股公式：

A1:=IF(CURRBARSCOUNT<20 AND C<10,CONST(LLV(L,20)),DRAWNULL);
 A3:=A1+0.1;
 XG:MA(L,20)/A3<1.02 AND L/A3<1.02;