野外调查和资料分析显示，陕北黄土高原土壤干化原因有两个方面：一是自然原因；二是人为原因。
The field survey and the data analysis show that the cause of soil drying in the Loess Plateau of northern Shannxi has two aspects: natural causes and anthropogenic causes.
贫瘠的黄土高原，恶劣的自然环境，动荡不安的生活现实，人种血缘的融合重组，造就了神奇的陕北民歌。
The Northern Shaanxi Folk Songs attribute its birth to the barren yellow plateau, adverse environmental circumstances, unstable lives, and the mergence of ethnic groups.
三月的风，驱散了黄土高原上的寒气，陕北大地浸洇在和煦的阳光里。
The wind March, broke up the algidity on loess plateau, spread and sink in of dip of North Shaanxi earth is in vernal sunshine.
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