答案:N:=5;J:=4;A1:=REF(H,N)=HHV(H,2*N+1);B1:=FILTER(A1,N);C1:=BACKSET(B1,N+1);D1:=FILTER(C1,N);{高点}A2:=REF(L,N)=LLV(L,2*N+1);B2:=FILTER(A2,N);C2:=BACKSET(B2,N+1);D2:=FILTER(C2,N);{低点}E1:=(REF(LLV(L,2*N),1)+REF(HHV(H,2*N),1))/2;E2:=(H+L)/2;H1:=(D1ANDNOT(D2ANDE1>=E2))ORCURRBARSCOUNT=2ORCURRBARSCOUNT=1;L1:=(D2ANDNOT(D1ANDE1=E2);X1:=REF(BARSLAST(H1),1)+1;F1:=BACKSET(H1ANDCOUNT(L1,X1)>0,LLVBARS(IF(L1,L,10000),X1));G1:=F1>REF(F1,1);I1:=BACKSET(G1,2);LD:=I1>REF(I1,1);{过滤后低点}T1:=BACKSET(CURRBARSCOUNT=2,BARSLAST(LD)+1);U1:=T1>REF(T1,1);{前一低}T2:=BACKSET(U1,REF(BARSLAST(LD),1)+2);U2:=T2>REF(T2,1);{前二低}T3:=BACKSET(U2,REF(BARSLAST(LD),1)+2);U3:=T3>REF(T3,1);{前三低}T4:=BACKSET(U3,REF(BARSLAST(LD),1)+2);U4:=T4>REF(T4,1);{前四低}XG:U1ORU2ORU3ORU4;