受精一般发生在排卵后多长时间之内？（ ）

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30900' and id < 2485805 and id<>'2485805' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30900' and id > 2485805 and id<>'2485805' order by id asc limit 5