Stepen施特彭stepn.步骤；台阶；舞步；步伐v.踏；以步测量stepping engine步进电动机stepless action无分步作用,均匀作用,连续作用Stepanov method斯蒂潘诺夫方法step transition阶梯跃变,阶跃变化,阶跃过渡stephanocolpate具多沟的step experiment台阶试验steps into bath入浴池的台阶step modulation梯波调制step hydropower梯级电站stepping sticks导踩小杖