1. 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。

2. There is a radio in the room.
    房间里有一台收音机.

3. The radio programme was recorded.
    无线电广播节目被记录下来了。

4. The development of technology has been very fast.
    科学技术的发展非常地迅速.

5. These factories produce tubes , transistors , radio sets and TV sets.
    这些工厂生产电子管、晶体管、收音机和电视机。

6. The radio gave a warning of bad weather.
    广播电台发出了坏天气的警报。

7. 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。

8. Technology trends may push Silicon Valley back to the future.
    技术的发展趋势有可能把硅谷重新推向未来。

9. This depends on the precise radio frequency of the 21-cm wavelength, or 1420 megacycles per second.
    这种通迅联系要靠21厘料波段，即每秒1420兆周的精确无线电频率。

10. They are working very hard to catch up in science and technology.
    这些国家的人民正在勤奋工作，以求在科学和技术方面赶上去。