Arabic Basque Bulgarian Catalan Chinese Croatian Czech Danish Dutch English Estonian Finnish French German Greek Hungarian Irish Italian Japanese Latin Latvian Lithuanian Maltese Norwegian Bokmål Polish Portuguese Romanian Russian Serbian Latin Slovak Slovene Spanish Swedish Turkish Ukrainian Vietnamese ⇄ Arabic Basque Bulgarian Catalan Chinese Croatian Czech Danish Dutch English Estonian Finnish French German Greek Hungarian Irish Italian Japanese Latin Latvian Lithuanian Maltese Norwegian Bokmål Polish Portuguese Romanian Russian Serbian Latin Slovak Slovene Spanish Swedish Turkish Ukrainian Vietnamese

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Å Ä Ö   

Terms for subject Radio (5 entries)

kritisk frekvens

临界频率 (在电离层传播中)