求翻译：摘要:简要介绍了高速公路养护的工作功能、技术要求、科学决策、设计理念，及养护特点和相关路面病害的成因和防治措施，并对我国高速公路的养护管理工作提出了建议。关键词:高速公路  养护  管理是什么意思？

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