| |||
| 震源谱 | |||
|
source spectrum : 9 phrases in 6 subjects |
| Aviation | 1 |
| Engineering geology | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Rail transport | 1 |
| Space | 2 |
| Technology | 3 |
| |||
| 震源谱 | |||
|
source spectrum : 9 phrases in 6 subjects |
| Aviation | 1 |
| Engineering geology | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Rail transport | 1 |
| Space | 2 |
| Technology | 3 |