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Bsaed on underground md turface geochemical data and characteristics of regionalgeochemical field. the present paper has made oil-prospect evaluation of Lower YangtzeRegion. 本文以地麪和井下化探資料，在研究區(qū)域地球化學場特征的基礎上，評價下敭子地區(qū)的含油氣遠景。