频（頻）pínⅠ （次数多） frequent: 这儿春季雨很 ～。 Rains are frequent here in spring. Ⅱ （屡次） frequently; repeatedly: 捷报 ～ 传。 Reports of new victories keep pouring in. Ⅲ ❶ {物} （物体每秒钟振动的次数） frequency: 声[视] ～ audio [video] frequency
❷ （姓氏） a surname: ～ 畅 Pin Chang
◆频标 frequency scale; frequency marker; 频差 frequency difference; 频传 keep pouring in; 频带 frequency band; frequency range; wave band; band; 频道 frequency channel; channel; 频道搜索 channel search; 频道选择器 channel selector; 频道预选 channel preselection; 频段 frequency range; frequency channel；
频繁 frequently; often; 频来频往 coming and going hastily — hurrying to and from; 频率 frequency; rate；
频率特性 frequency characteristic; frequency response；
频率响应 frequency response; 频偏 frequency deviation; frequency shift (FS); frequency offset; 频频 again and again; repeatedly; 频谱 frequency spectrum; frequency content; spectrum; power-density spectrum; power spectrum; {系统} spectral density; 频仍 [书] frequent; repeated; 频散 frequency dispersion; dispersion; 频数 frequency; 频数 [书] frequent and continuous; 频移 frequency shift; radio-frequency shift; 频域 {控} frequency domain |