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![( - ZZU.LS1) @11 [ ] Unspecified (default): All Rights Reserved (2023) Unspecified Zhengzhou University](http://v3.boldsystems.org/pics/_w300/DBNOC/ZZU.LS1%2B1688995976.jpg "( - ZZU.LS1) {} [ ] Unspecified (default): All Rights Reserved (2023)")
![( - ZZU.LS228) @11 [ ] CreativeCommons Attribution Non-Commercial Share-Alike (2023) Unspecified University of Zhengzhou](http://v3.boldsystems.org/pics/_w300/LSSX/ZZU.LS228%2B1684535802.jpg "( - ZZU.LS228) {} [ ] CreativeCommons Attribution Non-Commercial Share-Alike (2023)")
![( - ZZU.LS227) @11 [ ] CreativeCommons Attribution Non-Commercial Share-Alike (2023) Unspecified University of Zhengzhou](http://v3.boldsystems.org/pics/_w300/LSSX/ZZU.LS227%2B1684535762.jpg "( - ZZU.LS227) {} [ ] CreativeCommons Attribution Non-Commercial Share-Alike (2023)")
![( - ZZU.LS226) @11 [ ] CreativeCommons Attribution Non-Commercial Share-Alike (2023) Unspecified University of Zhengzhou](http://v3.boldsystems.org/pics/_w300/LSSX/ZZU.LS226%2B1684535724.jpg "( - ZZU.LS226) {} [ ] CreativeCommons Attribution Non-Commercial Share-Alike (2023)")
![( - ZZU.SRS3) @11 [ ] CreativeCommons Attribution Non-Commercial Share-Alike (2023) Unspecified University of Zhengzhou](http://v3.boldsystems.org/pics/_w300/DBNOC/ZZU.SRS3%2B1684093840.JPG "( - ZZU.SRS3) {} [ ] CreativeCommons Attribution Non-Commercial Share-Alike (2023)")
