| 1. | Data must pass in both directions so both transmitters and receivers are used .
由于数据必须在两个方向上流通，所以发送器和接收器都要使用。 |
| 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. | Measuring methods for performance of transmitters and receivers
送话器和受话器性能测量方法 |
| 5. | General specification for active ant - noise transmitter and receiver
有源抗噪声送受话器组通用规范 |
| 6. | Any pc / server is both a transmitter and receiver
任何一个pc机的使用者都既是传输者，也是接受者。 |
| 7. | In the same time , we study the model of transmitter and receiver
同时还研究了其发送与接收机模型。 |
| 8. | Self - contained design of the transmitters and receivers . . limit switch - shaped shell firm
.坚固的限位开关形外壳 |
| 9. | Technical requirements for transmitter and receiver for globle marine distress safty system
船用单边带收发信机技术要求 |
| 10. | Between the transmitter and receiver can be used sensing beam penetrating way
可在发射器和接收器之间采用光束穿透方式感测， |
