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为了让学生直观地理解DNA的结构和复制,我研制了如图1所示的核苷酸模型,结合讲课和黑板演示来指导每个学生亲自动手操作。
To allow students to understand the structure and replication of DNA visually, I developed a nucleotide model as shown in Figure 1, which was combined with lectures and blackboard demonstrations to guide each student’s hands-on operation.