通过生产能力约束的产量竞争模型，研究了差异产品企业兼并的动机。
Under the Capacity Constrained Output Competition model, this paper studies the motives of merger among differentiated products firms.
土地资源的基本特征是土地面积的有限性和土地生产能力的时空差异性。
It is essential feature of land resources that the area is limited and the productivity is varying in time and space.
曲堤油田属于典型的复杂断块油田，具有构造复杂、含油层系多、 原油性质和产能动态特点差异大、油藏类型多样等特点。
Qudi oilfield is a typical complex fault block oilfield. It has complex structure, many oil - bearing strata, various oil properties and production perfonnances, and various reservoir types.
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