篮球中的“圆柱体”“圆柱体原则”是篮球比赛中,用来判断球员接触时是否犯规的一种规则。篮球场上,每一位队员都有权拥有他所在的地面位置以及地面位置以上的空间,这个空间构成了一个“圆柱体”。但是这个“圆柱体”的底面并不是圆形,而是一个类似于椭圆的形状。“圆柱体”限于以下范围内: 前不超过手掌; 后不超过臀部; 两边不超过手臂和双腿的外侧。 Basketball in the “cylinder ” “cylinder principle ” is a rule in basketball games, used to determine whether the player contact is foul. Basketball court, each team member has the right to have his own ground position and above the ground space, the space constitutes a “cylinder ”. But the bottom of this “cylinder” is not a circle but an ellipse-like shape. “Cylinder ” is limited to the following ranges: no more than the front of the hand; no more than the hips after; no more than the outer sides of the arms and legs on both sides.