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Under modern conditions, this requires varying measures of centralized control and hence the help of specialized scientists such as economists and operational research experts.✅hence adv. 所以
✅operational research 运筹学(通过数学方式 解决决策问题的学科)
03结构分析
主干：主this + 谓requires + 宾1 varying measures + 宾2 the help(hence 表示所以 说明
两个宾语之间存在因果关系)
Under modern conditions,this requires varying measures of centralized control and hence the help of specialized scientistssuch as economists and operational research experts.现代条件之下，这需要，不同维度的集中控制，因此，这也需要专家的协助，比如:经济学家和运筹学家。扫描下方二维码，获取更多考研英语备考指南⬇️![]()
