. 2021 Oct 5;2021:2813819. doi: 10.1155/2021/2813819
Copyright © 2021 Hui Xu and Jiawan Zhang.
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 4.
Virtual chime and immersion environment.