double star | |
avia. | 双重星 |
avia. од. | 双星 |
el. | 双星形 |
equal altitude method | |
archit. | 等高法 |
equal-altitude method | |
survey. | 等高度角法 |
| |||
★ 双星; 双重星 | |||
双星形 | |||
双星形跳伞 |
double star : 32 phrases in 8 subjects |
Astronomy | 6 |
Aviation | 2 |
Electric machinery | 3 |
Electronics | 6 |
Information technology | 1 |
Rail transport | 2 |
Space | 7 |
Technology | 5 |