T1:=BARSLAST(DATE=N1); T2:=BARSLAST(DATE=N2); T3:=BARSLAST(DATE=N3); T4:=BARSLAST(DATE=N4); 区间1:=DATE>=T1 AND DATE<=T2; 区间2:=DATE>=T3 AND DATE<=T4; N:=CONST(LLV(IF(区间1,L,50000),0))=IF(区间1,L,50000); M:=CONST(LLV(IF(区间2,L,50000),0))=IF(区间2,L,50000); M/N>=1;

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