通达信无法再准的低买高卖指标公式

A7:=C-REF(C,1);
A8:=100*EMA(EMA(A7,6),6)/EMA(EMA(Abs(A7),6),6);
SHORT:=7; LONG:=19;
RMA:=EMA(CLOSE,SHORT);
NMA:=EMA(CLOSE,LONG);
UP:DRAWLINE(L=LLV(L,BArslAST(crOSS(NMA,RMA))+1),LLV(L,BARSLAST(CROSS(NMA,RMA))+1),H=HHV(H,BARSLAST(CROSS(RMA,NMA))+1),HHV(H,BARSLAST(CROSS(RMA,NMA))+1),0);
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DOWN:DRAWLINE(H=HHV(H,BARSLAST(CROSS(RMA,NMA))+1),HHV(H,BARSLAST(CROSS(RMA,NMA))+1),L=LLV(L,BARSLAST(CROSS(NMA,RMA))+1),LLV(L,BARSLAST(CROSS(NMA,RMA))+1),0);
买进:(LLV(A8,2)=LLV(A8,7) AND COUNT(A8<0,2) AND CROSS(A8,MA(A8,2))) AND REF(DOWN,1)REF(DOWN,1);
趋势区:=IF((EVERY(DOWN>=REF(DOWN,1),1)),4,2)COLOR0000FF,LINETHICK3;
低买:IF(((CROSS(趋势区,2.1))),5,0),STICK,COLORRED,LINETHICK3;
高卖:IF(((CROSS(3.9,趋势区))),-5,0),STICK,COLORFF9150,LINETHICK3;