hfs的翻译，读音
释义：
abbr. 超精结构（hyperfine structure）
n a grey tetravalent metallic element that resembles zirconium chemically and is found in zirconium minerals; used in filaments for its ready emission of electrons
n 3 to 30 megahertz
n a grey tetravalent metallic element that resembles zirconium chemically and is found in zirconium minerals; used in filaments for its ready emission of electrons
n 3 to 30 megahertz