Metadata
Author: ParaCrawl Corpus
Data
English[en]
We first put sand into a hollow cylinder and placed an acoustic emission sensor (a piezoelectric-based device that transforms the pressure wave into an electrical signal) at the boundary of the material.
Chinese[zh]
我们首先把沙粒放入中空圆筒,并放置一个声发射传感器 (即转换的压力波转换成电信号的压电型设备)在材料的边缘。