It is important for the table tennis circles of China to recognize the purpose and trend of the rule changes, to adjust thought and study new countermeasures.
对中国乒乓球界来说，重要的是认清规则变革的宗旨及趋势，调整思路，研究新的对策。
The first part is introduction, pointing out the thesis's study background, study significance, home and abroad current research situation and explaining the train of thought and study method.
第一部分为导论，介绍本文的研究背景、研究意义和国内外相关研究近况，并阐明本文的研究思路及研究策略。
The first part is introduction, pointing out the thesis's study background, study significance, home and abroad current research situation and explaining the train of thought and study method.
第一部分为导论，介绍本文的研究背景、研究意义和国内外相关研究近况，并阐明本文的研究思路及研究策略。
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