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| ▲ Representatives from the Governing Council of the Deep-time Digital Earth Big Science Program and Kunshan, Suzhou Municipal People's Government, after the signing ceremony of the memorandum of understanding for the Deep-time Digital Earth International Big Science Program on June 12. |
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| ▲ Representatives from the Scientific Committee on Solar-Terrestrial Physics International Science Council, National Space Science Center, Chinese Academy of Sciences, and other institutions, pose for pictures at the signing ceremony of the memorandum of understanding for the International Meridian Circle Program on June 12. |
(Photos by the International Big Science Program Forum)