求翻译：本文利用六安市城区1956-2009年逐月降水量资料，运用一元线性回归、累积距平和气候趋势系数等方法分析了六安市50多年来降水年内分配不均匀变化特征是什么意思？

Luan City 1956-2009 monthly precipitation data in this article, the use of a linear regression, and cumulative anomaly and climate trend coefficients Lu'an City for over 50 years of precipitation during the year allocation of the characteristics of non-uniform changes in

This article uses the city 6 1956 - 2009, monthly precipitation data using linear regression, a cumulative distance and climate trends, such as factor analysis of the 6 methods, in 50 years precipitation distribution is not uniform in characteristics change

This article uses the Liuan city 1956-2009 year month by month precipitation material, has utilized a Yuan linear return, the accumulation anomalous and methods and so on climatic trends coefficient analyzes in the Liuan 50 for many years precipitation year to assign the non-uniform change character

This article by 1956-2009 monthly precipitation in Luan City data, using a coefficient of linear regression, accumulated from the mild climate trend analysis of Luan city for more than 50 years, including uneven rainfall distribution variation

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