房产测绘中产生测量误差的原因有（    ）。

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='58869' and id < 3726785 and id<>'3726785' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='58869' and id > 3726785 and id<>'3726785' order by id asc limit 5