名词
中文翻译：派生函数
同义词：
['derivative functor', 'derived function例句：1. The program uses a derived functor to handle the data.（该程序使用一个派生函数来处理数据。）']
例句：
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1. The program uses a derived functor to handle the data.
该程序使用一个派生函数来处理数据。
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2.The programmer implemented a derived functor to improve performance.
程序员实现了一个派生函数以提高性能。
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3.The derived functor is used to map between two types of data.
派生函数用于两种类型数据的映射。