The article points out the key and difficult points that students will meet when learning this course and introduces the basic methods to learn it.
指出了学生在学习本课程时的重点和难点，以及本课程的基本学习方法。
The article points out the key and difficult points that students will meet when learning this course and introduces the basic methods to learn it.
指出了学生在学习本课程时的重点和难点，以及本课程的基本学习方法。
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