translation.en: And so we were able to do this by embedding 40 small, tiny linear actuators inside the device, and that allow you not only to touch them but also back-drive them as well.
translation.zh: 这些能够实现是通过 在显示器内嵌入40个微型线性传动器， 让操作者不仅能触摸按钮， 还能反向操纵它们。