Discus and javelin throwing, long jumping and wrestling were added later.
后来又增加了掷铁饼、投标枪、跳远和摔跤等项目。
Long jumping performance depends mostly on the initial speed and Angle of projection of body gravity.
跳远成绩主要取决于起跳离地瞬间人体重心腾起的初速度和腾起角度。
Long jumping performance depends mostly on the initial speed and Angle of projection of body gravity.
跳远成绩主要取决于起跳离地瞬间人体重心腾起的初速度和腾起角度。
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