| |||
sound-ranging | |||
aerial exploration; high altitude probe | |||
aerological ascent; aerological sounding | |||
aerologic ascent; aerologic sounding; upper-air sounding |
高空探测: 56 phrases in 10 subjects |
Agriculture | 2 |
Air defense | 2 |
Astronautics | 1 |
Aviation | 5 |
Earth sciences | 6 |
Electronics | 7 |
French | 1 |
General | 8 |
Space | 13 |
Technology | 11 |