normal frequency
| function
| normal frequency abbr. | |
| mil., air.def. | 标准频率 |
| mil., air.def. од. | 简正频率 |
| 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 |
| |||
| 标准频率; ★ 简正频率 | |||
| 正态频率; 正常频率 | |||
|
normal frequency : 27 phrases in 13 subjects |
| Agriculture | 2 |
| Aviation | 1 |
| Business | 2 |
| Electronics | 1 |
| Hydrology | 1 |
| International trade | 1 |
| Mathematics | 3 |
| Metallurgy | 1 |
| Oil / petroleum | 3 |
| Selective breeding | 1 |
| Space | 1 |
| Statistics | 1 |
| Technology | 9 |