momentumn.势头；动力；（物理）动量momentum flow tensor动量僚量momentum conservation动量守恒momentum flow density动量流密度momentum energy space动量能量空间momentum distribution动量分布momentum LMS algorithm动量项最小均方误差算法Momentum of price hike涨价风momentum discontinuity动量骤变momentum item addition附加动量项momentum wave function动量波函数

1. Adding a momentum term to BP is a common technique to speedup the convergence, but it may also stimulate the occurrence of premature saturation.
   而加入一动量项于倒传式学习演算法中是一个加快收敛速度之常用的做法，但是其又与未成熟饱和问题的产生有相关性。