| 1. | They live within range of the transmitter . 他们住在无线电发射机的有效范围以内。 |
| 2. | Most inventions basic to the construction of radio transmitters and receivers had been perfected before the first world war . 为建造无线电发射机和接收机奠定基础的大多数发明,在第一次世界大战前就臻于完善。 |
| 3. | Most inventions basic to the construction of radio transmitters and receivers have been perfected before the first world war . 为建造无线电发射机和接收机奠立基础的大多数发明,在第一次世界大战前就臻于完善。 |
| 4. | Aircraft radio transmitter 飞机用无线电发射机 |
| 5. | Methods of measurement for radio transmitters - transposers for fm sound broadcasting 无线电发射机测量方法.第11部分:调频广播转发器 |
| 6. | Methods of measurement for radio transmitters ; part 3 : wanted and unwanted modulation 无线电发射机测量方法.第3部分:有用调制和无用调制 |
| 7. | Methods of measurement for radio transmitters . part 3 : wanted and unwanted modulation 无线电发射机的测量方法.第3部分:有用调制和无用调制 |
| 8. | Methods of measurement for radio transmitters - general characteristics for broadcast transmitters 无线电发射机的测量方法.广播发射机的一般特征 |
| 9. | Methods of measurement for radio transmitters - performance characteristics for fm sound broadcasting 无线电发射机测量方法.第13部分:调频广播特性 |
| 10. | Methods of measurement for radio transmitters - amplitude - modulated transmitters for sound broadcasting 无线电发射机测量方法.声音广播用调幅发射机 |