名词
中文翻译：研究对象
同义词：
['subject of research', 'research topic']
例句：
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1.The team is focusing on the research subject of climate change.
该团队正专注于气候变化的研究主题。
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2. The scientist has chosen the research subject of genetic engineering as his area of expertise.
这位科学家选择了遗传工程作为他的研究领域。
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3. The university has established a research subject on renewable energy sources.
该大学已经建立了一个可再生能源的研究课题。