1. Earthquake survival supplies include a radio receiver, a torch, extra batteries, first-aid supplies, a spade, a tent, some rope, and warm clothing.
    地震救生储备还包括无线电接收器、手电、备用电池、急救用品、铁锹、帐篷、绳子和保暖衣物。

2. Einstein's father was an electrical engineer who fascinated his son with practical displays of physics.
    爱因斯坦的父亲是个电气工程师，他表现出的物理知识使儿子很着迷。

3. When you press this button , the radio will start.
    你按下这个按纽时，收音机就响了。

4. It must be known to any kind of radio astronomer in the universe.
    这个频率是宇宙中任何射电天文学家都应该熟悉的。

5. The engineer accelerates a train by turning on more power .
    火车司机启动更多的动力，使火车加速运行。

6. The radio blared out pop music.
    无线电高声播放流行音乐.

7. The radio is near the door.
    收音机靠近房门.

8. The ingenious boy made a radio set for himself.
    这个聪明的男孩自己做了一台收音机。

9. This depends on the precise radio- frequency of the 21- cm wavelength, or 1420 megacycles per second .
    这种方法依靠21厘米波长或每秒1420兆周的精确无线电频率。

10. The story they heard over the radio was very moving.
    他们从收音机里听到的这个故事很动人。

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