La plateforme du blog a subit des dommages et perdu plusieurs mois de données. Je vais remettre les articles petit à petit...


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This blog provider has encountered some troubles and a few months of data was lost. I will put the articles back little by little...


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博客的服务器受到了损坏，丢了几个月的资料。慢慢就把文章放回去博客上……