3 The apparatus practices the method for the relativity that both nearto, but 50cm jump the box to jump down to connect to jump up the practiceto is more strong with triple jump relativity.3.
3．3 器械类练习手段对于两者的相关性接近，但是50厘米跳箱跳下接跳跃练习与三级跳远相关性更强。
三级跳
权威例句
1.
Athletes do triplejumps down a 10-meter lane lined with infrared sensors to determine their energy level before a workout.
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2.
Former two-time junior world champ Adam Rippon fell on a triple flip-triple toe combination, jumps he can do in his sleep.
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