terrain avoidance
| warning system
| terrain avoidance | |
| space | 地形回避 |
| warning system | |
| auto. | 报警装置 |
| eng.geol. | 预警系统 |
| environ. | 预警系统 |
| fin. | 预警制度 |
| hydroel.st. | 告警系统 |
| oil | 警报系统 |
| space | 报警］警报］系统 |
| |||
| 地形回避; 回避地面障碍物系统 | |||
| |||
| 地形回避 | |||
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terrain avoidance : 42 phrases in 7 subjects |
| Air defense | 3 |
| Aviation | 15 |
| Earth sciences | 1 |
| Electronics | 9 |
| General | 1 |
| Space | 10 |
| Technology | 3 |