He is expected to deliver China's only gold-medal in the track and field event in the Beijing Olympics.

他预计交付在田径比赛的中国的唯一的金牌在北京奥林匹克。

Therefore, research on the arena of the China's large-scale track and field event is an extremely necessary work to do.

为此，对我国大型田径赛事赛场风险进行相关的研究是一项极其必要的工作。