DictionaryForumContacts

   Polish
Google | Forvo | +
to phrases
częstość f
math. fréquence
częstość: 60 phrases in 14 subjects
Analytical chemistry9
Canada2
Construction4
Data processing1
Finances1
Life sciences2
Magnetics1
Mathematics20
Microsoft4
Power system protection1
Reliability8
Sound recording1
Statistics3
Telephony3