证券登记结算制度实行证券（）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='29996' and id < 2430990 and id<>'2430990' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29996' and id > 2430990 and id<>'2430990' order by id asc limit 5