A:=ma(C,7);
B:=REF(A,2)>REF(A,6);
O1:=(SUM(EMA((CLOSE+LOW+H+O)/4,2)/3,4));
买跌:CROSS(REF(C,1)*0.928,C) AND C<O*0.99 AND O1>REF(O1,1) and B>0;

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