frequency field
| function
| frequency field abbr. | |
| oil | 频率域 |
| 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 |
| |||
| 频率域 | |||
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frequency field : 63 phrases in 18 subjects |