其次，在做出若干假设的基础上，采用系统分析的方法，建立了两部门经济增长的非均衡关系模型；
Secondly, we establish two_sector economic growth relationship models by applying system analytic approaches under some assumptions.
其次，在做出若干假设的基础上，采用系统分析的方法，建立了两部门经济增长的非均衡关系模型；
Secondly, we establish two_sector economic growth relationship models by applying system analytic approaches under some assumptions.
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