单词	frequency standard--fs
释义	frequency standard，FS频率标准
随便看	regional growth regional health authority 地区卫生管理局 regional hydrogeology regional hydrology regional hydropower development planning regional ileitis regional ileitis [=regional enteritis regional ileitis [=regional enteritis; crohn's disease] regional ileus regional immunity regional immunity ; local immunity regional inequality regional innovation capability regional innovation network regional innovation systems regional input-output model regional interconnection regional interpretation regionalisation regionalise regionalism regionalisms regional isopach map regional isostatic compensation regionalist