表面示好，实则换招！开除反华专家，解禁H200，美国在盘算什么

Group 1 - The core viewpoint of the article highlights a significant shift in U.S.-China relations, marked by a series of actions including the suspension of the tariff war and the allowance of H200 chip exports, indicating a complex and strategic recalibration rather than a straightforward concession [1][3][9] - The U.S. has extended exemptions on 178 tariffs related to China until November 2026, signaling a deliberate effort to stabilize the situation before negotiations [5] - A major restructuring within the U.S. State Department has led to the dismissal of approximately 3,000 employees, including key experts in technology and policy towards China, which raises questions about the U.S.'s capacity in the ongoing geopolitical competition [5][7][11] Group 2 - The decision to allow the export of H200 high-performance computing chips to China represents a significant relaxation of previous restrictions, indicating a reassessment of the costs associated with a hardline approach [9][14] - Despite the apparent softening of rhetoric from the Trump administration, military actions in the Asia-Pacific region continue to escalate, suggesting that the U.S. strategy remains focused on long-term competition rather than outright concession [11][14] - The restructuring and layoffs are seen as a tactical adjustment to reduce costs and improve negotiation leverage, rather than a fundamental shift in the U.S. strategy towards China [7][14][16]