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从凸透镜的实验器材改良来看,对于农村学校实验器材的匮乏,我们不应只是一味地抱怨等待,而应该发挥自己的主观能动性,通过我们的巧手来改良实验器材,提高教学效果。
From the improvement of the experimental equipment of convex lens, we should not only complain about waiting for the lack of experimental equipment in rural schools, but also should use our subjective initiative to improve the experimental equipment and improve the teaching effect through our skilled hands.