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为纪念《铁道标准设计通讯》创刊30周年,我们请王效良同志编纂了这份大事记,供读者了解本刊发展的历史。
In commemoration of the 30th anniversary of the publication of Railway Standard Design Newsletter, we asked Comrade Wang Xiaoliang to compile this memorabilia for readers to understand the history of this magazine.