美国限制先进人工智能芯片出口以保护科技领先优势，面临科技行业的反对。 US restricts export of advanced AI chips to safeguard tech lead, facing tech industry backlash.

拜登政府对 Nvidia 和其他公司出口先进 AI 芯片出台了限制，以防止中国等国家获得尖端技术。 The Biden administration has introduced restrictions on the export of advanced AI chips by Nvidia and other companies, to prevent countries like China from accessing cutting-edge technology. 新规则将国家分为三个等级，严格限制向主要盟友以外的大多数国家销售芯片。 The new rules divide countries into three tiers, with strict limits on chip sales to most nations outside of key allies. 虽然此举旨在保护美国国家安全和科技领导地位，但它引发了包括英伟达在内的科技行业的批评，英伟达认为这些规则可能会损害全球竞争力和创新。 While the move aims to protect US national security and tech leadership, it has sparked criticism from the tech industry, including Nvidia, which argues the rules could harm global competitiveness and innovation.