对人类有重大意义的科学发明有哪些?
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/10 16:17:52
![对人类有重大意义的科学发明有哪些?](/uploads/image/z/5448188-20-8.jpg?t=%E5%AF%B9%E4%BA%BA%E7%B1%BB%E6%9C%89%E9%87%8D%E5%A4%A7%E6%84%8F%E4%B9%89%E7%9A%84%E7%A7%91%E5%AD%A6%E5%8F%91%E6%98%8E%E6%9C%89%E5%93%AA%E4%BA%9B%3F)
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