求翻译：双庙沟防洪影响处理工程是南水北调中线防洪影响处理工程中的一部分内容，本论文根据《环境影响评价技术导则》《环境影响评价标准》等技术规范，阐述了双庙沟防洪处理工程对环境空气、地表水、噪声、生态的环境影响程度，为了减小建设项目对外环境的影响（包括大气污染、地表水污染、噪声污染及生态破坏），提出切实可行的环境保护措施，使上述污染物排放均能达标排放。该工程建设可以从根本上消除或减小因总干渠修建给当地造成的不利影响，消除当地群众对自身防洪安全的恐慌情绪，为主体工程的顺利运行和为当地创建和谐社会环境提供基础保证，其社会效益重大，政治意义深远。是什么意思？

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