—— 请按键盘 空白键 开始游戏 ——

The study of Galois representations is a key to unlocking the mysteries of the Langlands program.
荣誉不能凭空得来,祸患发生也有原因。
The steel industry must adapt to the needs of the future.
小规模养殖户是水产养殖业的支柱;赋能他们对全球粮食体系至关重要。