Point lookups are useful, but the operation you'll reach for more often is a range query: give the tree a rectangular region and retrieve every point inside it, without scanning the entire dataset.
大量的AI手机尽管已经占据了智能手机市场，可它们更多是“新瓶装旧酒”，只是把手机上原来已有的AI功能进行了加强，没有带来创新性的体验，甚至绝大多数用户并没有感知到所谓AI手机的智能。
。爱思助手下载最新版本对此有专业解读
车企们的脚步比预想中走的更快。
Fund yourself until you can’t. Pitch customers before investors. Chase traction before capital. Build something worth defending before handing over the keys.
OpenAI has been implicated in mulitple wrongful death suits. The company's ChatGPT was accused of encouraging "paranoid beliefs" before a man killed his mother and himself in a December 2025 lawsuit. It is also at the center of one of several wrongful death lawsuits against the makers of AI chatbots for helping teenagers plan and commit suicides.