方法：运用统计描述、动态数列和升降趋势检验、相关分析。
Methods: The statistical analysis method includes descriptive statistics, dynamic series and test for upward or downward trend, correlation analysis.
检验结果表明所建立的模型可较好地预测城镇居民人均年收入的短期动态变化趋势。
The result shows that the model can predict the short-term dynamic trends of the per capita annual income in cities and towns quite well.
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