joint frequency
| function
| joint frequency abbr. | |
| hydroel.st. | 节理频数 |
| oil | 节理频率 |
| 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 |
| |||
| 节理频数 | |||
| 节理频率 | |||
| 联合频率 | |||
|
joint frequency : 26 phrases in 11 subjects |
| Air defense | 3 |
| Aviation | 1 |
| Desert science | 1 |
| Economics | 1 |
| Electronics | 7 |
| Engineering geology | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Geophysics | 1 |
| Mathematics | 1 |
| Oil / petroleum | 2 |
| Technology | 7 |