basic operation
| time
| basic operation | |
| IT од. | 基本操作 |
| time | |
| el. sec.sys. | tE时间 |
| manag. | 期限 |
| oil | 时间 |
| phys. | 持续时间 |
| tech. | 倍; 次; 回 |
| tech. од. | 时间 |
| |||
| ★ 基本操作 | |||
|
basic operation : 11 phrases in 6 subjects |
| Aviation | 1 |
| Business | 5 |
| General | 1 |
| Geophysics | 1 |
| Space | 2 |
| Technology | 1 |