The essay analyses free vibration problem of laying bed build-up board of antisymmetry angle with spline finite element method.
本文用样条有限元法，分析了反对称角铺设层合板的自由振动问题。
2
The MDF board is slit and the slots are filled with a plastic-containing vibration damping glue that hardens for 24 hours while the shape of the cabinet is spanned into position.
MDF板是裂开的，且裂缝里不满了塑胶震动阻尼胶水，它能在箱体成型时24小时凝固。
3
The invention discloses a test method of the vibration characteristic of a violin board and special equipment thereof.