暑期儿童短期游泳培训现状调查及发展对策研究——以重庆主城区小区游泳培训班为例
서기인동단기유영배훈현상조사급발전대책연구——이중경주성구소구유영배훈반위례
On Investigation and Strategies for Developing Children's Short-Term Swimming Training——Take the Swimming Training Class of Chongqing Urban Community as an Example
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