 |
| |||
| 洪水次数 | |||
| ★ 洪水频率 | |||
| 洪水累积频率 (total); 洪水频积 (total) | |||
|
flood frequency : 20 phrases in 4 subjects |
| Bridge construction | 9 |
| Electronics | 1 |
| Hydroelectric power stations | 3 |
| Technology | 7 |
|
| |||
| 洪水次数 | |||
| ★ 洪水频率 | |||
| 洪水累积频率 (total); 洪水频积 (total) | |||
|
flood frequency : 20 phrases in 4 subjects |
| Bridge construction | 9 |
| Electronics | 1 |
| Hydroelectric power stations | 3 |
| Technology | 7 |