dimensionless time
| function
| dimensionless time | |
| avia. | 无因次时间 |
| function | |
| 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 |
| |||
| 无因次时间 | |||
|
dimensionless time : 3 phrases in 3 subjects |
| Chemistry | 1 |
| Oil / petroleum | 1 |
| Technology | 1 |