frequency频率单位时间内完成振动(或振荡)的次数或周数。常用符号f或v表示。等于周期T的的倒数,即f=1/T。常用单位为赫兹。 frequency[ˈfri:kwənsi]n.频率,次数,发生次数 ‖ frequence= frequency n. 频繁,频率,屡次 frequency adjustment 频 率调 节 frequency-agile radar 频率捷变雷达 frequency allocation center 频率分配中心 frequency allocation table 频率分配表 frequency allotment 频率分配 frequency analysis 次数分析 frequency band 波段,频带 frequency calibration 频率校准 frequency channel 电视频道,频道 frequency character viewer 频率特性观测仪 frequency characteristic measurement 频率特性测量 frequency constant频率常数 frequency control 频率控制 frequency controller 频率调节器 frequency coverage 频率范围 frequency curve 次数曲线,频率曲线 frequency deviation region 频偏范围 frequency difference 频差 frequency discriminator 鉴频器 frequency distribution 次数分布,次数分配,频率分布 frequency distribution curve 次数分布曲线 frequency divider 分频器 frequency doubler倍频器 frequency doubling 倍频 frequency drift 频率漂移 frequency error 频率误差 frequency fixing 频率固定 frequency interpretation of probability 概率的频率解释 frequency irregularity 频率不规则性 frequency keying 频率键控 frequency limitation 频率限制 frequency list 频率表 frequency management 无线电频率管理 frequency manual adjustment 手控频率调整 frequency mark 频率标志 frequency measurement 频率测量 frequency meter 频率计 frequency mixing 混频 frequency modulated receiver 调频接收机 frequency modulated signal 调频信号 frequency modulation 调频 frequency modulation broadcast band 调频广播波段 frequency modulation broadcasting调频广播 frequency multiplexing technique多频技术 frequency multiplication 倍频 frequency multiplier 倍频器 frequency of occurrence of duties 执行职务次数 frequency of show 展览周期 frequency of stride步频 frequency of training 训练次数 frequency polygon 次数多边形 frequency protection 频率保护 frequency range 频率范围 frequency ratio 次数比,频率比 frequency regulation 频率调整 frequency scanning 频率扫描 frequency series 次数数列 frequency shifter 移频器 frequency spectrum 频谱 frequency surface 次数面 frequency table 次数表,频率表 frequency theory 频率学说 frequent[ˈfri:kwənt]adj.频繁的,常见的[fri:ˈkwənt]n. 常客 frequent fault常见错误 frequentation[ˌfri:kwenˈteiʃən]n. 观众人次 frequenter n. 影剧院常客 frequently adv. 频繁地,时常 frequently used words 常用词 |