The center of hail hazard is different from that of hail fall and occurs mainly in HuangHuaiHai Plain and Jiangnan hilly land.
降雹与成灾在空间分布上有明显的差异，成灾中心集中在黄淮海平原及江南丘陵地区。
The chestnut trees in Beijing are planted in mountainous area and hilly land mainly of granite and gneiss.
北京地区的板栗基本上种植在以花岗岩、片麻岩为土壤母质的低山丘陵地带。
Soil in hilly regions in the middle of Sichuan Province is mainly a type of purple soil which has been developed from the purple shale rock.
川中丘陵区地表以紫色沙页岩风化形成的紫色土壤为主，基岩风化剥蚀过程与流失过程交替进行。该区垦殖率高，植被盖度低，地形破碎，土地利用结构复杂，土壤侵蚀严重。
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