| 1. | There has always been a problem in using radio relay in overseas communications .
在利用无线电转播进行海外通讯方面一直存在着一个问题。 |
| 2. | Generic specification for uhf digital radio relay equipments
Uhf数字接力设备通用规范 |
| 3. | General specification for tactical digital radio relay equipment
战术数字接力机通用规范 |
| 4. | Trans - horizon radio relay system
超视距微波中继系统 |
| 5. | Microwave radio relay communication
微波接力通信 |
| 6. | Methods of measurement for the digital microwave radio relay communication equipment
数字微波接力通信设备测量方法 |
| 7. | Methods of measurement for electric performance of uhf digital radio relay equipment
Uhf数字接力设备电性能测量方法 |
| 8. | Radio relay communication
无线电接力通信 |
| 9. | Television radio relay
无线电中继电视 |
| 10. | Nov . 13 , opening of new york - boston radio relay system for experimental service
11月13日，纽约至波士顿的无线电中继系统试验性开通。 |
