下列属于以控制扩散为原理的缓控释制 剂的制备方法为

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SQL Error: select id,body,options from ***_enewstiku where sourceid='29785' and id < 2418573 and id<>'2418573' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29785' and id > 2418573 and id<>'2418573' order by id asc limit 5