Despite the headline, this isn't really a story about superconductivity—at least not the superconductivity that people care about, the stuff that doesn't require exotic refrigeration to work. Instead, it's a story about how superconductivity can be used as a test of some of the weirder consequences of quantum mechanics, one that involves non-existent particles of light that still act as if they exist.
全要素生产率是要素投入转化为产出的总体效率，决定着经济内涵型发展程度和潜在增长率高低，体现着经济发展的结构和质量。
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值得一提的是，会津工厂是适马目前在全球唯一的生产制造基地，该地也是适马品牌宣发中「Made in Aizu」战略的基石。
It was only during the pandemic he opted to join his siblings by returning to the Scottish Borders, with him eventually settling in Selkirk.
This evolution mirrors what happened with featured snippets and knowledge panels over the past decade. Google gradually introduced elements that answered questions directly on the search page rather than requiring clicks to external sites. AI Mode represents the next iteration of this trend—more comprehensive answers, synthesized from multiple sources, delivered conversationally rather than as extracted snippets.