现有的研究多是对经验的逻辑思辨，缺乏大范围的实地调查研究。
Existing studies are mostly speculative logic of experience and lack large-scale field research.
本文从现代中国提倡和注重实地调查研究的学术背景来审视这次田野调查。
The article reviewed this investigation from temporary China's academic background of advocating and emphasizing on-the-spot investigation and research.
根据实地调查研究，论述了江苏省射阳湖荡区的自然资源，并对其综合开发利用提出了建议。
In this article, the natural resources in the marsh region of Sheyang Lake, Jiangsu Province is discussed on the basis of field investigations, and their comprehensive exploitation is suggested.
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