fig4
From: Developments of digital twin technologies in industrial, smart city and healthcare sectors: a survey
![Developments of digital twin technologies in industrial, smart city and healthcare sectors: a survey](https://image.oaes.cc/4e297175-1a6d-4253-b139-a75c7045cab2/4328.fig.4.jpg)
Figure 4. Distribution of articles on digital twins among different countries.
Figure 4. Distribution of articles on digital twins among different countries.
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