There is no run-up for throwing events while jumping events require an approach run.

投掷项目不用助跑，而跳跃项目需要助跑。

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The results show that the difference of spike techniques performed by the players both in beach and indoor volleyball exists in the approach run and taking-off.

结果表明，沙滩排球与室内排球扣球技术动作间的差异，主要体现在助跑与起跳两个关键的技术坏节上。

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The results show that the difference of spike techniques performed by the players both in beach and indoor volleyball exists in the approach run and taking-off.

结果表明，沙滩排球与室内排球扣球技术动作间的差异，主要体现在助跑与起跳两个关键的技术坏节上。

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