. 2021 May 13;2021:9961978. doi: 10.1155/2021/9961978
Copyright © 2021 Hongtu Zhao and Fu Hao.
This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Figure 3.
High-speed camera to take pictures.