This appears to be the first time that a national campaign has made a buy in a video game, and is leading to some debate, as Obama often campaigns about th dangers of video games.
这说明这是历史上第一次在全国竞选中在电子游戏中来打竞选广告，并且这一事件导致了一些争论，就像奥巴马经常攻击电子游戏的危害。
By using the method of questionnaire, interview and mathematical statistics, this paper makes investigation on freestyle skiers in aerials in 10 th National Winter games.
通过问卷调查、访谈、数理统计等方法对参加我国第10届冬季运动会自由式滑雪空中技巧的运动员进行了调研。
The actual application in the 11 th National Games has proved this method reasonable and feasible in risk assessment of large scale sports events.
将此方法应用于第11届全运会的风险评估中，验证此方法在大型体育赛事风险评估中的合理性与可行性。
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