Context images and water content at the Chang'E-5 landing site. Credit: LIN Honglei
A joint research team led by Profs. Lin Yangting and Lin Honglei from the Institute of Geology and Geophysics of the Chinese Academy of Sciences (IGGCAS) observed water signals in reflectance spectral data from the lunar surface acquired by the Chang'E-5 lander, providing the first evidence of in-situ detection of water on the Moon.
Need also take a look in which journal do they publish.
In AI, US citation is much bigger compared to China because the former presence in the more theoretical journal like NeurIPS and ICML is much bigger than the latter. While China is bigger in the more applied publications like CVPR and KDD.
Theoretical journal produces more citation than the applied.