| |||
| 洪水泛滥频率 | |||
| |||
| 洪水次数 | |||
| ★ 洪水频率 | |||
| 洪水累积频率 (total); 洪水频积 (total) | |||
|
flooding frequency : 21 phrases in 4 subjects |
| Bridge construction | 9 |
| Electronics | 1 |
| Hydroelectric power stations | 3 |
| Technology | 8 |
| |||
| 洪水泛滥频率 | |||
| |||
| 洪水次数 | |||
| ★ 洪水频率 | |||
| 洪水累积频率 (total); 洪水频积 (total) | |||
|
flooding frequency : 21 phrases in 4 subjects |
| Bridge construction | 9 |
| Electronics | 1 |
| Hydroelectric power stations | 3 |
| Technology | 8 |