fm.

英 美
  • abbr.=fathom
  • fm abbr.[化]元素镄的符号
  • FM-AFM 铁磁-反铁磁
  • FM-ara-U 1-2'-脱氧-2'-氟-β-D-阿拉伯呋喃糖基-5-甲基尿嘧啶
  • FM-BEM 多极边界元法
  • FM-PM n.调频-调相
名词 fm:
  1. modulation of the frequency of the (radio) carrier wave

  2. a radioactive transuranic metallic element produced by bombarding plutonium with neutrons