HONG KONG, Aug. 2 (Xinhua) - The Hong Kong Observatory on Saturday issued the black rainstorm warning signal, the second time this week. This means that heavy rain has fallen or is expected to fall ...

整理 | 冬梅昨夜，谷歌宣布向 Google AI Ultra 订阅用户推出 Deep Think 功能，Gemini 2.5 Deep Think 模型在今年的国际数学奥林匹克竞赛 (IMO) 上夺得金牌。谷歌亮相 IMO ...