RSV:=(C-LLV(L,9))/(HHV(H,9)-LLV(L,9))100;
K:=SMA(RSV,3,1);
D:=SMA(K,3,1);
J:=3K-2*D;
买2:=IF(J 0,10,0);
BDDD:=LLV(J,2)=LLV(J,8);
买3:=IF(crOSS(J,REF(J+0.01,1)) AND BDDD AND J 20,30,0);
买:=(买3 AND 买1=100 AND 买2=0 );
买;