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波的图象是《机械波》一章的重点和难点,纵观历届的高考试卷,几乎年年都有关于波的图象的题目。在学习这一部分内容时,多数学生对
The image of the wave is the focus and difficulty of the chapter on “Mechanical Wave.” Throughout the previous high exam papers, there have been questions about wave images almost every year. When studying this section, most students are