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| 进场和着陆的距离-仰角导航 | |||
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| 进场和着陆的距离仰角制导系统 | |||
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range-elevation guidance for approach and landing : 2 phrases in 2 subjects |
| Aviation | 1 |
| Electronics | 1 |
| |||
| 进场和着陆的距离-仰角导航 | |||
| |||
| 进场和着陆的距离仰角制导系统 | |||
|
range-elevation guidance for approach and landing : 2 phrases in 2 subjects |
| Aviation | 1 |
| Electronics | 1 |