应用社会经济统计学原理，研究了安全经济统计的对象和方法。
By means of social economy statistics theory, objects and methods of safety economy statistics are studied.
国际学术界应用社会网络分析方法研究求职问题已经有30多年的历史。
It has been over 30 years for international academy to study job searching by using social network methods.
分形思想方法在最近几十年间被广泛应用于自然科学和社会科学领域，但民族研究领域尚不多见。
The thought and method of the fractal is widely used in the field of natural science and social science in the latest tens of years, but rarely in the field of ethnic group study.
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