利用线性分析方法，分析濮阳多时间尺度气温的变化特征及气候趋暖对粮食生产的影响。
The characteristics of multi-timescale temperature change in Puyang, Henan Province and its effects on grain production caused by the warming-up climate are analyzed.
哈佛大学经济学教授爱德华格雷泽指出，人们趋暖避寒：1月均温与人口增长有着密切的相互关系。
People are fleeing the cold: there is a strong correlation between the average temperature in January and population growth, notes Edward Glaeser, a professor of economics at Harvard University.
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