| |||
frequency translator; frequency changer | |||
frequency converter; frequency transformer |
频率转换器 : 32 phrases in 11 subjects |
Air defense | 1 |
Automobiles | 1 |
Aviation | 2 |
Computer networks | 1 |
Electronics | 19 |
Geophysics | 1 |
Information technology | 2 |
Mathematics | 1 |
Metallurgy | 1 |
Space | 2 |
Technology | 1 |