三角洲顶点城市是基于城市区位和三角洲自然环境演变特征而提出的经济地理概念，此类城市的存在具有一定的广泛性。
The conception of the apex city of delta belongs to the field of economic geography, which is put forward based on the city location and the natural environment evolution of delta.
经济活动的区位分析是区域经济学和经济地理学领域最古老和最重要的研究内容之一。
Location analysis on economic activity is one of the most ancient and most important topics in regional economics and economic geography.
第二章，新经济地理学与新产业地理学——近年西方产业区位研究的新进展。
Chapter two refers to new economic geography and new industrial geography -the new study in industrial location of western in recent years.
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