Notice regarding the publication of the guidelines of the Cooperation and Exchange Project of the National Foundation of Natural Sciences of China and the European Research Council (NSFC-CER) for the cooperation and exchange guidelines of the National Foundation of Natural Sciences of China 2025 (NSFC-CERC) of cooperation and the exchange project 2025 National System of Natural Sciences (NSFC-EC-EC-EC-EC （https://grants.nsfc.gov.cn）。