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- In a radio tube there is a source of electrons. 在电子管中，有一个电子发射源。
- Audion: Elementary radio tube developed by Lee De Forest (patented 1907). 三极检波管:由美国的德福雷斯特所发明(1907年获专利权)的一种基本的电子管。
- A Toshiba radio tube is used in this machine, so it is stable and reliable in output. 日本东芝电子管,输出稳定可靠。
- Improving the Ultrasonic Instrument of Radio Tube 对电子管超声波发生器的技术改造
- Now we finally come to electronic instruments. In these instruments sounds are produced by varying the oscillations of radio tubes with the exception of the Hammond organ. 现在该说说电子乐器了。除哈蒙德电风琴，这类乐器全是靠变换无线电真空管振荡而发声的。
- A transistorize radio takes no time to warm up. 晶体管收音机不需要预热时间。
- Radio Beijing sends the news all over the world. 北京广播电台向全世界播送新闻。
- She petitioned her neighbor to turn down the radio. 她请求邻居把收音机关小点声。
- A display device that uses a cathode ray tube. 一种使用阴极射线管的显示装置。
- They've been plugging his new show on the radio. 他们一直在电台上宣传他的新节目。
- How much do you think this radio will sell for? 你认为这台收音机会卖多少钱？
- He held the test tube in his hand thoughtfully. 他沉思地把试管拿在手里。
- I am able to pick you up on the short wave radio. 我能用短波收音机收听到你的信号。
- I was able to pick you up on the short wave radio. 我能用短波收音机收听到你的信号。
- Let's set the clock by the radio time signal. 咱们照着收音机的报时信号把钟对一对。
- The plane homed in on the radio beacon. 飞机遵循导航台信号降落。
- I must buy a tube of toothpaste. 我必须买一支牙膏。
- The radio relieves the monotony of everyday life. 收音机缓解了我们日常生活的单调状况。
- Don't you think the radio's a bit loud? 你觉得收音机的声音是不是太吵了点？
- I'm afraid this old radio is beyond repair. 恐怕这台旧收音机不能修了。
