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.

860年代，拜占庭帝国开始从阿拉伯人的入侵中恢复，因此到872年，与阿拔斯王朝的军事平衡永久地成为帝国的优势。

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The deal apparently foundered due to Russian concerns that the sale of such an advanced aircraft would alter the military balance in the area.

交易没有进行显然是由于俄国人考虑到这样的先进飞机销售将改变当时在地区内的军事平衡。

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The combination of the Soviet's spending more and the U. S. spending proportionately less changed the military balance and weakened our deterrent.

苏联人开支增多，美国按比例来说开支减少，这两种情况加在一起，改变了军事力量对比，削弱了我国的威慑力量。

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Defense officials say they are aiming for a balance that will not compromise the security of operations or military networks.

VOA: special.2009.09.14

He was also a fervent advocate of massive arms sales to Saudi Arabia that upset the military balance in the Middle East.

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In the first instance, these lethal machines may be used to hunt down Taliban forces and turn the military balance in favour of their foes.

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If the two sides then reduce to 100 weapons and ten more are hidden by one side, that could have some bearing on the military balance.

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