tracking data
| message
| tracking data | |
| space | 跟踪数据 |
| message | |
| journ. | 广告; 电子邮件 |
| journ. од. | 公报 |
| met. | 报导; 文电; 报文; 任务; 使命; 预言 |
| met. од. | 启示 |
| |||
| 跟踪数据 | |||
|
tracking data : 118 phrases in 14 subjects |
| Agriculture | 1 |
| Air defense | 6 |
| Aviation | 23 |
| Business | 1 |
| Computer networks | 1 |
| Earth sciences | 12 |
| Electronics | 18 |
| General | 2 |
| Geophysics | 1 |
| Information technology | 1 |
| Oil / petroleum | 1 |
| Space | 41 |
| Technology | 7 |
| United States | 3 |