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  蚁群算法 邮轮港口进行云评价，评价指标为上文总结得出的港口条件、经济腹地、旅游情况和港口建设四项指标(matlab The director of the Nourishing the Planet Project said besides poverty and a lack of access to food, much food is simply lost. Worldwatch estimates 1.3 billion tons of food is wasted each year.)