近年来，我国开始采取以（ ）为主的公开市场操作。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='26490' and id < 2211645 and id<>'2211645' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='26490' and id > 2211645 and id<>'2211645' order by id asc limit 5