 |
| |||
| vä̀xelström | |||
| vä̀xelström (Electric current that reverses its direction of flow (polarity) periodically according to a frequency measured in hertz, or cycles per second. The rapid change from positive to negative electricity of 60 or more times each second) | |||
| 英语 词库 | |||
| |||
| a.-c. | |||
| |||
| a-c | |||
| AC current (MichaelBurov) | |||
| a.c. | |||
| |||
| AC (ac, see also) | |||
| AC (ac, see also DC) | |||
|
alternating-current : 65 短语, 12 学科 |
| 信息技术 | 1 |
| 发电 | 1 |
| 地球科学 | 1 |
| 机械工程 | 4 |
| 热能 | 1 |
| 电信 | 1 |
| 电动机 | 1 |
| 电子产品 | 42 |
| 能源行业 | 3 |
| 运输 | 6 |
| 通讯 | 1 |
| 铁路术语 | 3 |