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对比实验是运用比较的方法来揭示事物的性质或变化规律的一类实验。在初中化学教材中,多处设计了对比实验来让学生更好地理解、记忆所学的知识。如果
Contrast experiment is a kind of experiment that uses comparative method to reveal the nature or change law of things. In junior high school chemistry textbooks, comparative experiments have been designed in multiple places to allow students to better understand and remember what they have learned. in case