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台美貿易協議拆解：美對台關稅降至15%不疊加、直接投資2500億美元等五大看點2026年1月16日
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Chip giant Nvidia defies AI concerns with record $215bn revenue
对AI与算力行业：低成本绿色算力优势进一步放大，全球算力需求持续向中国聚集。云厂商、大模型公司、算力租赁平台进入长期红利期，“规模化、低成本、绿色化”成为中国参与全球竞争的核心壁垒。
Shortcut Pre-calculation: For the most commonly used speed profiles, the travel costs (time/distance) for shortcuts between border points within each cluster are pre-calculated and stored. (Each border point effectively has an "entry" and "exit" aspect for directed travel).