stepinadj.伸腿穿入的(伸腿穿入的鞋等)
stepn.步骤;台阶;舞步;步伐v.踏;以步测量
step-variable cost梯式变动成本
step across a stream?尚过小溪
Stepping side-rail滑台
step-down operator下降算子
step by step control步进控制,步进式控制
step into a new path走上新路
step divider circuit逐级分频电路
step and repeat lens步进重复照相机镜头
stepwise application逐步施加
step-up excitation升压激励