长三角城市密集地区集聚着大量的人口财富，气候变化将加剧长三角城市密集区的灾害风险。

The Yangtze River Delta cities have high density of population and wealth, and climate change will add to great disaster risks.

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研究表明：济南1990—1995年间处于郊区化的萌芽阶段，人口以向城市核心区集聚为主；

The research indicates that:Jinan is in the embryonic stage of suburbanization in 1990-1995 period, and its population is mainly inclined to concentrate in the city core;

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