针尖样瞳孔是指瞳孔小于（ ）

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SQL Error: select id,body,options from ***_enewstiku where sourceid='28283' and id < 2315947 and id<>'2315947' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='28283' and id > 2315947 and id<>'2315947' order by id asc limit 5