 |
| |||
| breadth to depth ratio; span-depth ratio | |||
| breadth depth ratio | |||
| width-to-depth ratio | |||
| aspect ratio; width depth ratio | |||
| |||
| form ratio | |||
| 宽深比: 16 phrases in 9 subjects |
| Agriculture | 1 |
| Bridge construction | 1 |
| Ecology | 1 |
| Electronics | 1 |
| Engineering geology | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Hydroelectric power stations | 1 |
| Space | 2 |
| Technology | 7 |