flight environment
| data system
| flight environment abbr. | |
| space од. | 飞行环境 |
| data system abbr. | |
| interntl.trade. | 数据系统 |
| |||
| ★ 飞行环境 | |||
|
flight environment : 16 phrases in 3 subjects |
| Aviation | 7 |
| Electronics | 1 |
| Space | 8 |