Its tourism was very boomy at the end of the twentieth century , but now its tourism is depressed . liking river . moreover , the tourism has made impulsive force at the town " s traditional culture 福利镇的旅游业曾在20世纪90年代一度兴旺，后又跌入“低谷” ，其关键原因是上级主管部门旅游运作机制的“失衡” ，采取“自利” 、 “封锁”政策。
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About the food security evaluation method , this thesis compared and analyzed the rate of grain - production trend evaluation method , the grain supply and demand early warning system evaluation method , the boomy analytic method and food security coefficient synthetic evaluation method 浙江大学博士学位论文自给自足、自力更生与合作安全?中国粮食问题分析框架在粮食安全评价方法方面，本文分析比较了粮食趋势产量增长率评价法、粮食供求预警系统评价法、景气分析法和粮食安全系数综合评价法。
