The Great Wall is one of the most famous cultural heritages in the world. The defensive forts constitute the most important parts of the Great Wall. However, many of them have been severely damaged...

中文翻译：

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重力荷载下长城空心堡结构安全性定量评价方法

长城是世界上最著名的文化遗产之一。防御堡垒是长城最重要的部分。然而，其中许多都受到了严重损坏......