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。

The other economic engine was Baghdad, capital of the Abbasid dynasty from 762 onward.

另一个经济中枢是巴格达，从762年开始是阿巴思王朝的首都。

Hundred Years' Translation Movement began to arise in Abbasid Dynasty of Arab in the Middle Ages.

百年翻译运动兴起于中世纪阿拉伯的阿拔斯王朝。