核材料、核设施、其他放射性物质及相关设施的持有或者营运单位应当依法开展安全保卫工作，防范相关盗窃、破坏、擅自接触、非法转移或者其他危害安全的行为，防范核恐怖主义行为。
OpenAI has raised $110 billion in private funding, the company announced Friday morning, commencing one of the largest private funding rounds in history. The new funding consists of a $50 billion investment from Amazon as well as $30 billion each from Nvidia and SoftBank, against a $730 billion pre-money valuation.
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A quadtree reduces this: rebuild the tree each frame, and for each object, query only the nearby region. Objects in distant quadrants are never compared.
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