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“分子间作用力与距离的关系”十分抽象,历来是初中和高中的教学难点。教学时,可让学生做这样一个简易实验,它将把这一关系生动地展现在学生面前。
The “relationship between intermolecular force and distance” is very abstract and has always been the teaching difficulty of junior high school and high school. When teaching, students can do such a simple experiment that will vividly present this relationship to students.