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。

youdao

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。

youdao

The invention discloses a test method of the vibration characteristic of a violin board and special equipment thereof.

本发明公开了一种提琴琴板振动特性测试方法及其专用设备。

youdao

John Kestner and David Carr created Twine, a 2.5 inch-square device with on-board temperature and vibration sensors, as well as an expansion connector for other sensors, such as moisture sensors and magnetic switches, all tightly integrated through WiFi with a cloud-based service.

FORBES: When Can Your Plant Talk? Mine Did Yesterday