Group psychology is the main research area both in social psychology and administration psychology.

群体心理是社会心理学、管理心理学中的主要研究领域。

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Conclusion in order to reduce mortality rate of the residents in the area, it is necessary to strengthen the administration of natural and social environment of the area.

结论为了降低该区居民死亡率，既要进一步加强其自然环境的治理，也应重视社会环境的治理。

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