我国回购交易有关期限规定为不能超过（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='31438' and id < 2520292 and id<>'2520292' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='31438' and id > 2520292 and id<>'2520292' order by id asc limit 5