Photograph: Simon Hill
Москвичи пожаловались на зловонную квартиру-свалку с телами животных и тараканами18:04
，更多细节参见91视频
在处理对应垂直领域的任务上，和非专家的单纯对话形式相比，专家能交付更专业、质量更高的结果。为了验证这一点，我们直接从它目前已经 1.6w+公开的 Expert 库（大部分是用户创作）里，挑了几个热门的场景进行实测。
The tree is rebuilt every frame. For scenes of this scale, quadtree construction is fast enough to rebuild from scratch each frame, though larger simulations may benefit from incremental updates. Each particle queries its neighborhood for potential collisions, typically checking only 5 to 15 candidates instead of all 40. Red highlights indicate colliding pairs.
Chip giant Nvidia has reported record annual revenue of $215.9bn (£159.1bn), despite a wave of investor scepticism about the massive amounts of money being spent on artificial intelligence (AI) technology.