Collins Russian Dictionary 2nd Edition © HarperCollins Publishers 2000, 1997:
FM abbr (BRIT) (MIL) = field marshal(RADIO) (= frequency modulation) ЧМ (= часто́тная модуля́ция)
* is used to mark translations which have irregular inflections. The Russian-English side of the dictionary gives inflectional information.
Русский: