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| 极其近似 | |||
| 极近似 | |||
| 两星体最接近的事件 | |||
| 最近点; 最接近状态; 最接近点; 最接近道路 | |||
| closest approach: 25 phrases in 9 subjects |
| Air defense | 1 |
| Astronomy | 1 |
| Aviation | 6 |
| Earth sciences | 2 |
| Electronics | 2 |
| General | 2 |
| Geophysics | 1 |
| Space | 4 |
| Technology | 6 |
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