This paper emphasizes the longitudinal vibration of DS with actual boundary condition lower end of DS.
本文从建立符合实际的下端边界条件入手,着重研究了钻柱的纵向振动.
互联网
The expression format and application method of longitudinal vibration road spectrum were described.
建立了纵振动力学模型,阐述了纵振路面谱的表达形式及应用方法.
互联网