1 📝 深度技术 OpenAI 官方博客 2026-05-19 💬 Requests for Research 2.0 OpenAI释放七个未解决研究难题，等你来突破AI前沿。 We’re releasing a new batch of seven unsolved problems which have come up in the course of our research at OpenAI. openai 研究挑战 未解决问题 深度学习