国际时政周评：关注美国科技竞争策略

Group 1 - The report highlights that the US has postponed the imposition of tariffs on Chinese chips for 18 months, aiming to stabilize short-term US-China relations and manage friction levels [5][10][14] - The strategic objective of the US in the technology competition remains unchanged, focusing on maintaining technological hegemony, but the approach may shift towards more precise controls rather than a blanket blockade [5][14] - The report emphasizes the importance of monitoring domestic political dynamics in the US that could interfere with major power relations, especially with the upcoming election year [5][14] Group 2 - Ongoing negotiations between Russia and Ukraine are characterized by a "fighting while talking" approach, with sensitive issues like territorial disputes still unresolved [5][12][15] - Ukraine's proposed peace plan includes maintaining sovereignty, establishing a contact line for monitoring, and receiving security guarantees, while Russia's stance remains firm on territorial claims [12][15] - The report suggests that the current period until winter of the following year may serve as a window for negotiations, with significant implications for US-Russia relations [15][17] Group 3 - The report indicates that geopolitical conflicts will continue, with a focus on the dynamics of US-Russia-Ukraine negotiations and potential impacts on global stability [17][20] - The US tariff policies are expected to remain a focal point, particularly regarding strategic security industries, with ongoing investigations into sectors like semiconductors and critical minerals [20][21] - The report warns of potential long-term risks associated with the rebalancing of major power relations, particularly in the context of US domestic politics and international trade dynamics [21][22]