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自从我在杂志上的PROFIBUS技术问答专栏上开始进行技术答疑后,我陆续收到了一些中国读者的来信,其中包括一些对PROFIBUS技术持有质疑态度的读者。在这篇文章中我想着重对那
Since I began technical questioning on the PROFIBUS technical FAQ column in the magazine, I have received some letters from Chinese readers in succession, including readers who have questioned PROFIBUS technology. In this article I want to focus on that