本文分析了利益群体博弈所具有的非均衡性特征及其形成原因。
The paper analyzes the unbalanced characteristics of interest groups gaming and its causes.
方法：分析药学服务中常见的纠纷及其形成原因，并提出相应对策。
METHODS: the disputes in pharmaceutical care and their reasons were analyzed, and the countermeasures were put forward.
结果归纳了中国已知地种蝇属91种，讨论了该属的区系分布特点及其形成原因。
Results There were 91 species of Delia in China. Characters and reasons of the faunistic distribution were discussed.
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