river system
| pattern
| river system | |
| ecol. од. | 河流系统 |
| hydroel.st. | 水系; 河道网 |
| hydroel.st. од. | 河系; 水系 |
| pattern | |
| gen. | 图案; 格局 |
| fig.skat. | 花样 |
| hydroel.st. | 图形 |
| hydroel.st. од. | 模式 |
| met. | 图; 样品; 晶格 |
| rem.sens. | 样式 |
| |||
| ★ 河流系统 | |||
| ★ 河系; ★ 水系; 水系河网; 河道网 | |||
| 河网 | |||
|
river system : 44 phrases in 12 subjects |
| Air defense | 1 |
| Automobiles | 1 |
| Bridge construction | 1 |
| China | 1 |
| Desert science | 1 |
| Earth sciences | 4 |
| Ecology | 3 |
| Engineering geology | 3 |
| Oceanography & oceanology | 5 |
| Technology | 20 |
| United Nations | 2 |
| Water resources | 2 |