本文利用地理信息系统网络分析的方法和技术,对大渤海圈沿岸港口外向型经济腹地的划分,进行了计算机模拟研究,给出了不同划分原则下的模拟结果,显示出计算机模拟研究方法的效能和灵活性。

With different criteria,inland always selects a harbour which is considered as most suituble to export its goods.The resulting economic hinterland becomes the social and economic base to realize export trade and affected harbours development.The criteria may be least-distance,least-time,least-cost,or their combination,etc,Also because of the increase or decrease of harbour's handling capacity,the extension or interruption of traffic lines at sea or at land.,the technical innovation,the variation of traffic cost,etc.,the economic hinter land is varied and changed dynamicly.