The elective part aims to provide an in-depth treatment of some topics, an application of essential knowledge and concepts, or an extension of certain areas of study.
选修部分的设立旨在为个别课题提供较深化的处理、知识和概念的应用，或延伸学习。
The elective part aims to provide an in-depth treatment of some topics, an application of essential knowledge and concepts, or an extension of certain areas of study.
选修部分的设立旨在为个别课题提供较深化的处理、知识和概念的应用，或延伸学习。
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