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问题B:可利用淡水资源的匮乏淡水资源匮乏已经成了世界很多国家发展的瓶颈。建立某一国2013年的水资源战略数学模式,确定一个高效的、实际可行的、高效率利用成本的水资源战略来满足该国(美国,中国,俄罗斯,埃及或沙特阿拉伯,任选一个)2025年的预期水资源需求,并且确定最佳的水资源战略。尤其要注意的是,你所建立的数学模型必须考虑该国水资源储量和流动规律、海水淡水处理发展状况和水资源保护状况。可能的话,应用你所建立的模式讨论该模型可能产生的对经济、地理和环境方面的影响,为该国领导层提供一份非技术性的政府立场报告,并在该报告中概略介绍你的方法、该方法的可行性和成本核算,以及为什么该方法是“最佳的战略选择”。可选择的国家:美国,中国,俄罗斯,埃及或沙特阿拉伯A题Whe
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