 |
| |||
| nuclear underground test; underground nuclear test | |||
| |||
| nuclear underground tests | |||
| подземное ядерное испытание: 12 phrases in 4 subjects |
| Diplomacy | 4 |
| Ecology | 2 |
| Military | 5 |
| Weapons of mass destruction | 1 |
|
| |||
| nuclear underground test; underground nuclear test | |||
| |||
| nuclear underground tests | |||
| подземное ядерное испытание: 12 phrases in 4 subjects |
| Diplomacy | 4 |
| Ecology | 2 |
| Military | 5 |
| Weapons of mass destruction | 1 |