(    )是指保险合同的有效期限。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='25172' and id < 2135418 and id<>'2135418' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25172' and id > 2135418 and id<>'2135418' order by id asc limit 5