求翻译：公元750年以后的阿拔斯王朝时期，阿拉伯医学中有完善的复方理论和丰富的制剂，以主药、佐药、替代药巧妙搭配组合。常用的药物达1400余种。是什么意思？

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After 750 BC, the Abbas, Dynasty period, the Arab medicine there has been a well-formulated in theory and a wide range of formulations, as the main drug, medication, alternative medicines Jordan clever combinations. Common drugs up to 1400.

A.D. 750 years later Arab League will pull out the Si dynasty time, in the Arabic medicine has the consummation compound prescription theory and the rich preparation, by host medicine, adjuvant, substitution medicine ingenious matching combination.The commonly used medicine reaches 1400 kinds.

Abbas dynasty period after ad 750, perfect compound theory and rich in the Arabic medical preparations, primary medicine, alternative medicine, adjuvant drugs ingenious pairing. Commonly used drugs more than more than 1400 species.

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