At present, many new changes have happened in our countrys social stratum structure, which catch the attention of lots of social science researchers.
当前，我国社会的阶层结构发生了许多新的变化，这些变化引起了众多社会科学研究者的关注。
Meanwhile as changing of structure of social stratum, the styles of sport leisure in different stratum show their new characteristics and discrepancies.
伴随社会阶层结构的日益变化，体育休闲活动方式也呈现出较为明显的阶层差异性特征。
Society is the main participant in the Marine fishery transition. The public preference, social stratum structure and various fishery organizations all affect the trend of Marine fishery transition.
社会则是海洋渔业转型的主要参与者，公众的社会选择、社会阶层结构及各种渔业组织等影响渔业转型的大趋势。
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