density difference
| function
| density difference abbr. | |
| met. | 黑度差 |
| function abbr. | |
| gen. | 运行; 工作 |
| hydroel.st. | 作用 |
| interntl.trade. | 效用; 职能 |
| light. | 功能，用途 |
| math. | 运算 |
| met. | 功用; 用途 |
| |||
| 黑度差 | |||
| 密度差 | |||
|
density difference : 10 phrases in 5 subjects |
| Chemistry | 1 |
| Geophysics | 1 |
| Metallurgy | 1 |
| Oil / petroleum | 3 |
| Technology | 4 |