The temporal and spatial characteristics of land use change in Nanxian County of Hunan Province was analyzed according to the materials from 1983 to 2003.
利用1983~2003年土地统计资料，运用数理统计分析方法，选取土地利用动态变化相关模型，对湖南南县20年土地利用变化的时空特征进行了分析。
The positive rate of cross antibody also had statistical significance, and the highest was Xiangtan county (80.39%) and the lowest was Nanxian county (36.17%).
交叉阳性率差异亦有统计学意义，最高为湘潭(80.39%)、最低为南县(36.17%)。
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