名词
中文翻译：主题类别指数
同义词：
['subject category index', 'subjectcategory indexing']
例句：
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1.The new study uses a subject category indexto analyze the data.
新研究使用主题类别指数来分析数据。
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2. The indexis designed to help researchersfind relevant studies quickly.
该指数旨在帮助研究人员快速找到相关研究。
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3. Theindex has been criticized for its inability to accurately reflect the diversity of researchtopics.
该指数因其无法准确反映研究主题的多样性而受到批评。