采用野外调查与室内分析测定的方法，研究了苏北地区林粮间作地土壤理化性质。
Based on the field investigation and soil analysis, some soil physical and chemical properties in different agroforesty systems in northern area of Jiangsu province were studied.
调查范围选择了对苏北地区三所大学物理专业在校大学生的学习情况进行了详细的调查研究。
The field of investigation specialized in university student's studying in three physics universitys at the northern Jiangsu area.
最后给出了提高苏北地区人力资本水平的政策建议。
Some Suggestions on how to promote human capital in North Jiangsu province are given.
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