A degree of freedom is any quantity that can vary, such as a coordinate specifying a particle's location or one component of its velocity.
A degree of freedom is any quantity that can vary, such as a coordinate specifying a particle's location or one component of its velocity.
一个自由度是可以改变大小的任何量，例如标示某一粒子位置的座标，或粒子速度的某一分量。