DictionaryForumContacts

   Chinese
Google | Forvo | +
to phrases
标准频率 biāozhǔn pínlǜ
geophys. standard frequency
mil., air.def. normal frequency
标准 频率: 67 phrases in 15 subjects
Agriculture1
Air defense4
Aviation1
Bridge construction1
Communications1
Earth sciences1
Electronics8
Geophysics8
Information technology3
Oil / petroleum1
Radio1
Space10
Technology19
Telecommunications7
United States1