血尿是指在显微镜每个高倍视野下观察平均红细胞数至少为（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='25688' and id < 2159280 and id<>'2159280' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25688' and id > 2159280 and id<>'2159280' order by id asc limit 5