This process is termed "replacement" because solutions have dissolved the original material and replaced it with an equal volume of the new substance.

这个过程被称为“置换”，因为溶液溶解了原来的物质，并用等量的新物质取而代之。

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We then publish both the news story and the original material in order to enable readers to analyse the story in the context of the original source material themselves.

然后我们把这些新闻故事和原材料一起公布，这样是为了我们的读者可以亲自分析这些新闻消息的内容。

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In addition to the original material, each chapter includes excerpts drawn from various works, published and unpublished, by Dr. Murphy, to emphasize key points covered.

除了原始资料，每一章节还包括了从墨菲博士的各个著作中摘录的词句，其中有些出版了，有些还没有被出版过，这些词句被用来突出不是很明显的关键要点。

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"Dreams" is just one of the 10 songs Slaid Cleaves wrote for Everything You Love Will Be Taken Away, his first collection of original material since 2004's "Wishbones."

VOA: standard.2009.04.21

I'd call it a travesty if the original material merited such a shocked term.

NPR: Robert Randolph: A Gospel Guitarist's Secular 'Road'

Although it was rebuilt in the late 14th Century, with an impressive hammerbeam roof (b), the walls contain much of the original material.

BBC: WESTMINSTER HALL

Some basic rules are that a second party could download the content and reshare or reuse the content but must retain who created the original material.

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