和灭信号检测才能的日害删强，中缓快跳频体解很等忙蒙到做扰的攻打。
With the development of signal detection technique, slow frequency-hopping systems are vulnerable to jamming attacks.
元世祖逐步巩固对北方的统治之后，就集中力量攻打南宋，终于灭了南宋。 公元1279年，实现了中国南北大统一。
After consolidating his hold emperor, historically known as over the north, he moved against the Southern Song Dynasty, which fell in 1279, and China was united once more.
应用推荐