Since the publication of this article [1] we noticed the Greek characters are not properly properly converted due to a conversion error during the production process.

中文翻译：

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更正：优化模态参数估计的半自动操作模态分析方法

自从这篇文章 [1] 发表以来，我们注意到由于生产过程中的转换错误，希腊字符没有正确转换。