logarithmic mean
| diameter
| logarithmic mean | |
| met. | 对数平均值 |
| diameter | |
| avia. | 光学镜头的放大倍数 |
| earth.sc. | 粒径 |
| econ. | 透镜放大的倍数 |
| econ. од. | 径 |
| met. | 对径; 径; 倍 |
| space | 横截面 |
| tech. | 透镜放大倍数 |
| tech. од. | 直径 |
| |||
| 对数平均值 | |||
| 对数平均 | |||
|
logarithmic mean : 21 phrases in 10 subjects |
| Aviation | 2 |
| Chemistry | 2 |
| Compressors | 1 |
| Earth sciences | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| General | 1 |
| Meteorology | 1 |
| Refrigeration | 1 |
| Soil science | 1 |
| Technology | 10 |