| 1. | Relays and relay systems associated with electric power apparatus
与电源设备有关的继电器和中继系统 |
| 2. | Trans - horizon radio relay system
超视距微波中继系统 |
| 3. | 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。 |
| 4. | Withstand capability of relay systems to radiated electromagnetic interference from transceivers
中继系统对无线电收发信机辐射电磁干扰的抵抗能力 |
| 5. | Surge withstand capability tests for relays and relay systems associated with electric power apparatus
与电力装置相关的继电器和中继系统的耐电涌性能试验 |
| 6. | Standard for withstand capability of relay systems to radiated electromagnetic interference from transceivers
中继系统对无线电收发机辐射电磁干扰的抵抗能力标准 |
| 7. | Swc . surge withstand capability tests for relays and relay systems associated with electric power apparatus ; correction
与电力装置相关的继电器和中继系统的耐电涌性能 |
| 8. | Cable trunking systems and cable ducting systems for electrical installations - part 1 : general requirements ; german version en 50085 - 1 : 2005
电气设备用电缆中继系统和电缆管道系统.第1部分:一般 |
| 9. | Methods of measurement for equipment used in terrestrial radio - relay systems ; part 3 : simulated systems iec 60487 - 3 : 1975 ; german version hd 477 . 3 s1 : 1988
地面无线电中继系统设备的测量方法.第3部分:模拟系统 |
| 10. | Methods of measurement for equipment used in terrestrial radio - relay system ; measurements for sub - systems ; general ; identique with iec 487 - 2 - 1 , edition 1981
地面无线电中继系统设备测量方法.第2部分:分系统测量 |
