时间同步装置对时输出下列（ ）信号。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='29463' and id < 2399339 and id<>'2399339' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29463' and id > 2399339 and id<>'2399339' order by id asc limit 5