blacker-than-black
| level
| blacker-than-black | |
| telecom. | 比黑更黑; 黑外 |
| level | |
| gen. | 层面 |
| gen. од. | 程度; 水准 |
| agric. tech. | 使平整 |
| hydroel.st. од. | 水平; 水准仪 |
| soil. | 水平的 |
| sport. од. | 级别 |
| tech. | 海拔、标高 |
| wind. | 液位 |
| |||
| 比黑更黑; 黑外 | |||
|
blacker-than-black : 7 phrases in 4 subjects |
| Air defense | 1 |
| General | 1 |
| Technology | 2 |
| Telecommunications | 3 |