In the 860's the Byzantine Empire began to recover from Arab incursions so that by 872 the military balance with the Abbasid Caliphate had been permanently altered in the empire's favor.
2
这个设备和支持销售计划将不会改变该地区的基本军事平衡。
The proposed sale of this equipment and support will not alter the basic military balance in the region.
3
俄罗斯强烈反对这两国加入北约,认为此举是对俄安全的直接挑衅并将威胁到欧洲地区军事平衡。
Russia is fiercely opposed to NATO plans to grant membership to the two nations, saying such a move would pose a direct threat to its security and endanger the fragile balance of forces in Europe.