科技造福人类最好能两个以上事例,有没有少一点的啊,大概200左右
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![科技造福人类最好能两个以上事例,有没有少一点的啊,大概200左右](/uploads/image/z/8034354-18-4.jpg?t=%E7%A7%91%E6%8A%80%E9%80%A0%E7%A6%8F%E4%BA%BA%E7%B1%BB%E6%9C%80%E5%A5%BD%E8%83%BD%E4%B8%A4%E4%B8%AA%E4%BB%A5%E4%B8%8A%E4%BA%8B%E4%BE%8B%2C%E6%9C%89%E6%B2%A1%E6%9C%89%E5%B0%91%E4%B8%80%E7%82%B9%E7%9A%84%E5%95%8A%2C%E5%A4%A7%E6%A6%82200%E5%B7%A6%E5%8F%B3)
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