. 2021 Dec 28;2021:4203914. doi: 10.1155/2021/4203914
Copyright © 2021 Zhibin Xue et al.
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.
The coordinate system of the robotic dolphin.