 |
| |||
| 平日 | |||
|
mean day : 13 phrases in 8 subjects |
| Agriculture | 1 |
| Astronomy | 1 |
| Aviation | 1 |
| Construction | 1 |
| Desert science | 3 |
| Rail transport | 1 |
| Space | 1 |
| Technology | 4 |
|
| |||
| 平日 | |||
|
mean day : 13 phrases in 8 subjects |
| Agriculture | 1 |
| Astronomy | 1 |
| Aviation | 1 |
| Construction | 1 |
| Desert science | 3 |
| Rail transport | 1 |
| Space | 1 |
| Technology | 4 |