| |||
| 半衰期值 | |||
|
half- time value : 6 phrases in 4 subjects |
| Electricity generation | 1 |
| Hydroelectric power stations | 3 |
| Physics | 1 |
| Scientific | 1 |
| |||
| 半衰期值 | |||
|
half- time value : 6 phrases in 4 subjects |
| Electricity generation | 1 |
| Hydroelectric power stations | 3 |
| Physics | 1 |
| Scientific | 1 |