请高手帮改下主图买点指标，谢谢！！
源码：A7:=C-REF(C,1);
A8:=100*EMA(EMA(A7,6),6)/EMA(EMA(ABS(A7),6),6);
买:=LLV(A8,2)=LLV(A8,7) AND COUNT(A8<0,2) AND CROSS(A8,MA(A8,2));
DRAWICON(FILTER(买=1,5),LOW,5);
STICKLINE(买,OPEN,CLOSE,2,0),COLORYELLOW;
现在这是买点，我想请高手帮忙改成这个方法的卖点！！
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