| |||
| 无源测向测距装置 | |||
| 被动探测与测距 | |||
| 无源探测和测距 | |||
| 无源探测与测距; 无源雷达 | |||
| 被达; 无源探测系统 | |||
| 无源［被动］探测与测距 | |||
|
passive detection and ranging : 3 phrases in 2 subjects |
| Aviation | 1 |
| Electronics | 2 |
| |||
| 无源测向测距装置 | |||
| 被动探测与测距 | |||
| 无源探测和测距 | |||
| 无源探测与测距; 无源雷达 | |||
| 被达; 无源探测系统 | |||
| 无源［被动］探测与测距 | |||
|
passive detection and ranging : 3 phrases in 2 subjects |
| Aviation | 1 |
| Electronics | 2 |