为缩短工期，应采取的措施是缩短双代号网络计划中（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='27081' and id < 2245220 and id<>'2245220' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='27081' and id > 2245220 and id<>'2245220' order by id asc limit 5