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? 最近無縫球是炒的熱熱鬧鬧，一場無縫球的革命正在蔓延，到底乒乓球中無縫球和有縫球有什么區別和不同，一直都是我們期望知道的問題，下面來說說無縫球與有縫球的區別

? 切開有縫球和無縫球，分開成兩半，如圖（白色是無縫球的所有部分的厚度差，黃色的是有縫球）。如圖無縫球的每一個部分的厚度基本上是相同的，所以落點的準確度和彈跳均勻性更好。有縫球的厚度差異有三個部分，手腕和底部是非常大的，我們只是用手指按三個部分，可以明顯感覺到其厚度差異。由于厚度的差異，相同的速度和不同部位的拍面與球接觸時，其反彈方向，反彈的速度和反彈的力量是不同的，這會導致運動員對來球的曲線、方向、落點判斷失誤，然后導致不必要的錯誤和丟分。包括業余水平的乒乓球愛好者往往有這樣的經驗：他們的回球很有信心，然而球卻莫名其妙地下網或是出臺，這一現象的很大的原因是有風球的每部分受力不均勻，這一點已經由專業的高速攝像機捕捉球的運動曲線證明了。

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Cut separately Polyball and seam ball into two halves, and take a photo and attach the illustration of thickness difference on all parts of the balls (the white is seamless ball, the yellow is seam ball). From the photo, every part of the thickness of seamless ball is basically the same, so the accuracy of falling point and bounce uniformity are better. The thickness differences of seam ball on three parts - seam, wrist and bottom are very big, we just press the three parts by a finger and can obviously feel its thickness difference. Due to the thickness difference, when the ball with the same speed and different parts touch on table and racket, its rebound direction, rebound speed and rebound power are different, which cause the misjudgment of player on the curve, bounce height, falling point for the coming ball, then lead to unnecessary mistake and lose points. Including the players with amateur level often have such experiences: the ball they strike back with quite confidence to get score inexplicably drop to net or out of table. A big reason for this is the bounce inconformity on every part of the present seam ball. This point has been proved by the two experiments on bounce regularity of two types of balls taken by high-speed camera and falling point regularity tested by professional testing method.

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? 這篇關于無縫球與有縫球的區別希望能讓大家更加清楚的認識這乒乓球的特點。

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