强力的击球手用软木填塞球棍得到的那点更远的距离，由于碰撞效率的问题而被失去了。

What distance a power hitter gains using a lighter corked bat he loses in collision efficiency.

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声压级增大不仅使团聚核函数增大，也增大了碰撞效率，使高声压级时的团聚更有效。

Higher sound pressure level (SPL) favored both collision efficiency and agglomeration kernel, so acoustic agglomeration increased in the higher-intensity acoustic field.

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当然，大多数棒球选手都不是物理学家，所以他们没有意识到球棒变轻会降低碰撞效率。

Of course, most ballplayers aren't physicists, so they don't realize that by making the bat lighter, they're reducing the collision efficiency.

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