The distribution of area, perimeter and number character of patch types is unequal;
各斑块类型拥有的面积、周长、斑块数等特征分布不均衡；
Optimization of feature selection, we select area, perimeter, long axis, short axis, Euler number, geometric moments, and a total of 12 feature parameters as input vector.
优化特征选择，选定面积、周长、长轴、短轴、欧拉数、几何矩等共12个特征参数作为神经网络输入向量进行分类试验。
The research results show that the green patch's temperature influence area and degree increase with the increase of green patch's area, perimeter and shape index.
研究结果显示：绿地斑块对周边温度的影响范围及降温程度随其面积、周长和形状指数的增大而增大。
The research results show that the green patch's temperature influence area and degree increase with the increase of green patch's area, perimeter and shape index.
研究结果显示：绿地斑块对周边温度的影响范围及降温程度随其面积、周长和形状指数的增大而增大。
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