（八）放射源，是指除研究堆和动力堆核燃料循环范畴的材料以外，永久密封在容器中或者有严密包层的放射性材料。
它们越来越像当年的爱迪生通用电气公司。它们通过铺设海底光缆、建设核电站（或投资小型模块化反应堆）、堆叠数百万颗 ASIC 和 GPU，构建了一张覆盖全球的“智能电网”。
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Notably, the base M5 MacBook Airs are $100 cheaper than the M4 models with 512GB of storage, making them a better value than before. In the previous generation, you'd pay $1,199 or $1,399 for that much SSD space.
Sam McCandlish once said:
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