high frequency (abbr 缩写 HF)

radio frequency of 3 to 30 megahertz 高频（指无线电频率由3至30兆赫）.

hidebound, hideous, hideously, hideousness, hiding, hiding-place, hie, hierarchical, hierarchy, hieroglyph, hieroglyphic, hieroglyphics, higgledy-piggledy, high, high chair, High Church, high colour, High Commission, high explosive, high fidelity (also hi-fi), High German, high life, high pressure, high priest, high road, high school, high season, high spot, high street, high table, high tea, high technology, high tension, high tide, high treason, high water, high wire, high-born, High-Churchman, high-class,