| 甘肃省定西地区降水量的统计分布特征 |
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| 引用本文： | 刘树成.甘肃省定西地区降水量的统计分布特征[J].甘肃农业大学学报,1987(4). |
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| 作者姓名： | 刘树成 |
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| 作者单位： | 甘肃农业大学基础部 |
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| 摘 要： | 本文用统计学方法对定西地区年降水量进行分析,初步结论为,利用30年资料进行检验,各县年降水频数分配遵守正态分布。利用这一分布规律找出了各县旱涝值及其概率,以及各县各级降水概率和保证率。
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The Statistics Features of Precipitation on the Dingxi Prefecture of Gansu Province |
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| Abstract: | This paper analysed perannum precipitation of the Dingxi prefecture with the statistical method and achieved a conclusion: the frequency distribution of the precipitation obeys the normal distribution. By means of the distribution regularity we found out the standard and probability of the drought and waterlogging, as well as the every grade probability and guarantee probability of the precipitation on every county. |
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