 |
| |||
| 面积定律 | |||
| area law: 14 phrases in 8 subjects |
| Agriculture | 1 |
| Aviation | 1 |
| China | 5 |
| Earth sciences | 1 |
| Rail transport | 1 |
| Space | 1 |
| Sports | 1 |
| Technology | 3 |
|
| |||
| 面积定律 | |||
| area law: 14 phrases in 8 subjects |
| Agriculture | 1 |
| Aviation | 1 |
| China | 5 |
| Earth sciences | 1 |
| Rail transport | 1 |
| Space | 1 |
| Sports | 1 |
| Technology | 3 |