CPU程序和通道程序可以并行执行，并通过 实现彼此间的通信和同步。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='29992' and id < 2430617 and id<>'2430617' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29992' and id > 2430617 and id<>'2430617' order by id asc limit 5