下列属于项目实施阶段技术策划主要工作内容的是（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='25978' and id < 2180486 and id<>'2180486' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25978' and id > 2180486 and id<>'2180486' order by id asc limit 5