采用文献资料、问卷调查、数理统计法，对影响全国排球联赛赞助营销的因素进行分析研究。

Using the methods of documentation, investigation and statistics, the paper analyzes and studies the factors affecting CVA patronage and marketing.

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采用问卷调查法和常规统计法，对影响篮球裁判员正确判罚值的主要因素进行探析。

Using questionnaire and conventional statistics, the authors make an approach to the major factors affecting the value of basketball referees' right judgment.

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采用实验法、问卷调查法和数理统计法，观察运动因素对大学生台阶指数的影响。

Examining the influence of the sports factors on the step exponent of colleges students with the experiment method, questionnaire survey method and Mathematical Statistics method.

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