名词中文翻译
中文翻译：背景材料
同义词：
['background information', 'background data', 'supporting evidence']
例句：
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1. The researcher analyzed the backgroundmaterial to understand the historical context of theproject.
研究员分析了背景材料，以了解该项目的历史背景。
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2. Thepresentation included a slide showwith background material on the company's history.
演示文稿包括一张幻灯片，上面有关于公司历史的背景材料。
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3. The teacher asked the students toprovide additional background material for their presentation.
老师要求学生们提供额外的背景材料来支持他们的演讲。