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在一次科学教研活动中,我听了六年级上册《横梁的抗弯曲能力》一课,当时学生的一张实验记录表使我心中有了一个沉甸甸的问号:为什么会产生这样的结果呢?
In a science teaching and research activities, I listened to the sixth grade volume “Beam bending resistance” class, when an experimental record sheet of students so that my heart has a heavy question mark: Why produce such a result?