concentric zone
| theory
| concentric zone | |
| econ. | 同心圆模型 |
| theory | |
| gen. | …论; 分析; 揣度; 意见; 理念; 观念 |
| econ. | 论说 |
| hydroel.st. | 学说; 见解 |
| hydroel.st. од. | 理论 |
| |||
| 同心圆模型 | |||
| 同心区 | |||
|
concentric zone : 10 phrases in 5 subjects |
| Geography | 1 |
| Oil / petroleum | 1 |
| Sociology | 1 |
| Space | 1 |
| Technology | 6 |