名词
中文翻译：子类别
同义词：
['subclass', 'subdivision例句：1. In the market', 'there are many subcategories of products to choose from.（市场上有很多产品子类别可供选择。）']
例句：
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1. In the market, there are many subcategories of products to choose from.
市场上有很多产品子类别可供选择。
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2. The research team identified several subcategories of customers based on their behaviors.
研究团队根据顾客的行为将他们分为几个子类别。
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3. The company has developed a new subcategory of energy-efficient appliances.
该公司开发了一种新的节能家电子类别。