常规采样的PMU装置的对时精度为不大于（ ）p St

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SQL Error: select id,body,options from ***_enewstiku where sourceid='29463' and id < 2399299 and id<>'2399299' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29463' and id > 2399299 and id<>'2399299' order by id asc limit 5