 |
| |||
| 跟踪程序 | |||
| 追踪程序 | |||
| |||
| 跟踪程序; 追踪程序 | |||
|
tracking program : 20 phrases in 8 subjects |
| Air defense | 1 |
| Aviation | 3 |
| Earth sciences | 1 |
| Electronics | 4 |
| Geophysics | 1 |
| Space | 6 |
| Technology | 3 |
| United States | 1 |
|
| |||
| 跟踪程序 | |||
| 追踪程序 | |||
| |||
| 跟踪程序; 追踪程序 | |||
|
tracking program : 20 phrases in 8 subjects |
| Air defense | 1 |
| Aviation | 3 |
| Earth sciences | 1 |
| Electronics | 4 |
| Geophysics | 1 |
| Space | 6 |
| Technology | 3 |
| United States | 1 |