常规PMU装置常见采样率为（ ）Hz。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='29467' and id < 2399009 and id<>'2399009' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29467' and id > 2399009 and id<>'2399009' order by id asc limit 5