科技英语语文选注释PDF电子书下载

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1．Automation 1

2．Speed and Comfort 7

3．Through the Earth's Crust 13

4．From the Earth:Greetings 19

5．Airplanes:Yesterday,Today and Tomorrow 25

6．The Ultimate Machine:the Electronic Computer 32

7．The Search for New Drugs 40

8．Albert Einstein and the Atomic Bomb 48

9．How to Handle the Sun 56

10．Travel in Space:to the Moon and Beyond 66

11．Television:the Modern Wonder of Electronics 75

12．The Land and Its Limits 82

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