The optimal operation plan of cascade pumping stations is solved by means of decomposition-coordination model.

本文采用大系统分解-协调模型，对梯级泵站联合运行时的优化方案进行了求解。

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The model are set up to use the example of the Qilu, By using LINGO to solve this model, reasonable optimal operation plan can be obtained and save a lot of running costs.

将本文建立的模型运用到齐鲁石化炼油厂的实例和某设计案例中，利用规划软件LINGO进行优化求解，并得到了合理的优化运行计划，节省了大量的运行成本。

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Lastly, the planning and operation of logistics park of the city of Yancheng is analysed and scale plan, construction and operation model of logistics park is put forward.

最后，对盐城市现代物流园区规划与建设进行了实例分析，提出了盐城市物流园区规模方案及建设与运营模式。

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