本研究旨在考察青少年网球训练安排中，平衡训练内容在训练课中安排的不同对于训练效果和青少年平衡能力的影响。
This research aims at showing the different effects of training arrangement during junior tennis training about the arrangement of balance training.
全世界接受网球系统训练的青少年有上百万之多，而每年新加入职业选手行列的也不过数十人。
There are several millions teenagers receives systematic tennis training all over the world, but not more than ten reserved tennis talents of them can become the professionals.
萨芬的父亲经营一家斯巴达网球俱乐部，在那儿，他接受了其青少年时期的网球训练。
Safin's father managed the local Spartak Tennis Club, where Safin trained in his youth.
本公司专业生产比赛网球、专业训练网球、美式壁球、青少年晋级用球等…
The company is specializing in producing competing used tennis balls, professional training tennis balls. American style wall balls, junior promotion ball and so on.
本公司专业生产比赛网球、专业训练网球、美式壁球、青少年晋级用球等…
The company is specializing in producing competing used tennis balls, professional training tennis balls. American style wall balls, junior promotion ball and so on.
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