直通科普大世界阅读丛书-科学天地面面观
ebook ∣ 科学小博士的学问
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本书的内容主要包括：电子计算机与电脑、电脑与人脑、电冰箱的来历、灯泡发亮的原理、不同形状避雷针的作用、可以控制方向的降落伞、指示方向的指南针、灯塔的光时断时续的秘密、制取沼气的方法、最早的车轮等内容。
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