求翻译：本文以经济快速发展的一个县级行政区为个案研究对象，主要采用文献法、访谈调查法、比较法等对现有城乡失衡产生的原因进行初步探讨，是什么意思？

In this paper, the rapid economic development of a county-level administrative region as a case study, the main use of documents, interview survey method, comparative law and other existing urban-rural imbalance causes a preliminary study

This article to rapid economic development of the region a county as case studies, mainly in French literature, interviews investigation law, comparative law, such as urban and rural areas to the existing imbalance stems from the fact that a preliminary study

This article take an economical fast development county level administrative area as the case object of study, mainly uses the literature law, the interview survey procedure, the comparison test and so on the reason which produces unbalancedly to the existing city and countryside carries on the prel

In this paper, rapid economic development of a county-level administrative district: a case study on objects, mainly uses literature, law, interviews, surveys, comparative law to study the existing imbalance causes of urban and rural areas,

Article rapid economic development a county administrative area as case studies, investigation of main documents, interview by law, comparative method on present rural-urban imbalance which discussion,