地震具有一定的时空分布规律。

Earthquake has a spatial and temporal distribution of.

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文章分析了安徽省蒸发量的时空分布规律及年际变化特点。

The article analyzes the rule of the spatiotemporal distribution and annual change of evaporation amount in Anhui.

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通过对洪涝灾害在时间上和空间上的分析，揭示了洪涝灾在历史上的时空分布规律。

Through the analysis in space time, it reveals the law of spatial and temporal distributing in the past time.

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