| |||
flow up system | |||
tracing system; tracking system | |||
| |||
tracking system |
追踪系统 : 17 phrases in 12 subjects |
Agriculture | 1 |
Artificial intelligence | 1 |
Aviation | 3 |
Communications | 2 |
Economy | 1 |
Electronics | 2 |
Fishery fishing industry | 1 |
Navigation | 1 |
Project management | 2 |
Rail transport | 1 |
Space | 1 |
United Nations | 1 |