交流合作，实现科技向善（钟声）

Group 1 - The core viewpoint emphasizes the importance of Sino-American cooperation in advancing global scientific progress, particularly in technology and innovation [1][3] - The recent approval of international applications for lunar samples from the Chang'e 5 mission highlights the ongoing collaboration between China and the United States in scientific research [1] - The history of Sino-American technological cooperation has seen both positive and negative phases, but the overall trend has been towards mutual benefit and global advancement [1][3] Group 2 - Recent trends in the U.S. reflect a resurgence of Cold War mentality, leading to increased restrictions and sanctions against Chinese technology firms under the guise of national security [2] - These actions are seen as counterproductive, hindering global innovation and ultimately harming U.S. interests, as noted by experts [2] - Despite these challenges, China's technological development continues to thrive, with significant advancements in areas such as quantum computing and artificial intelligence [2] Group 3 - The current technological landscape necessitates both competition and collaboration, especially in addressing global challenges like climate change and pandemics [3] - The concept of "1+1>2" suggests that enhanced cooperation between China and the U.S. could yield greater benefits for both nations and the world [3] - China aims to foster an open and inclusive international scientific cooperation framework, encouraging the U.S. to engage positively in this endeavor [3]