rural-urban ratio
... 成群抽样 group sampling 城乡比率 rural-urban ratio 乘积模型 product model ...
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城乡消费支出比率 exp enditure
城乡收入比率 UARGN
·2,447,543篇论文数据，部分数据来源于NoteExpress
二元结构刚性的存在导致城乡收入和消费差距扩大，居民消费比率变小。
The rigidity of the dual economy structure result in the more obvious income differential and the cost differential, even the lower cost rate.
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