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平面向量是高一数学新教材第一册(下)的内容,它的集中讲授,在我国高中数学教材中是首次,以前只是在复数一章中略有讲授,这样处理的目的
The plane vector is the content of the first volume (bottom) of the new mathematics textbook, and it is focused on teaching. It is the first time in China’s high school mathematics textbooks. It used to be taught only in the plural chapter.