英语学习的语言环境是提高英语质量的的因素之一。
English language learning environment is to improve the quality of English one of the factors.
最后论文对维修环境因素进行了分析，为武器装备的维修质量过程控制提供参考。
Finally, circumstance that influence maintenance quality is studied for the process control of armament maintenance.
最后论文对维修环境因素进行了分析，为武器装备的维修质量过程控制提供参考。
Finally, circumstance that influence maintenance quality is studied for the process control of armament maintenance.
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