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.
灰色预测模型为矿井瓦斯涌出量时间动态数列的预测提供了一条新的途径。
The grey prediction model provides a new way for predicting the time dynamic numerical array of mine gas emission rate.
2004年北京市健康环境状况总评分的时间动态数列环比均大于1，年均递增速度为8.41%。
Chain index of overall scores for healthy environment indicators in Beijing during 2001 to 2004 was more than unity, with an annual increase of 8.41 percent.
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