ground reference
| point
| ground-reference | |
| el. | 参考地面 |
| point | |
| gen. | 一项; 一点; 指出; 时刻; 要点 |
| environ. | 重点 |
| met. | 末端; 论点; 条款 |
| sport. | 端 |
| |||
| 参考地面 | |||
|
ground reference : 12 phrases in 7 subjects |
| Automobiles | 2 |
| Aviation | 5 |
| Earth sciences | 1 |
| Electric machinery | 1 |
| Geophysics | 1 |
| Nautical | 1 |
| Technology | 1 |