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asers || 稳频激光
frequency stabilizer || 频率稳定器
frequency standard || 频率标准源
frequency sweeping || 频率扫描
frequency swing || 频率摆动
frequency synthesizer || 频率合成器
frequency tolerance || 频率容差
frequency transformation || 变频
frequency transformer || 变频机，变频器，频率变换器
frequency transient response || 频率瞬态响应
frequency-amplitude characteristic || 幅频特性
frequency-modulated carrier current telephone || 调频式载波电流电话
frequency-modulated cyclotron || 调频回旋加速器
frequency-modulated detector || 调频检波器
frequency-modulated jamming || 调频干扰
frequency-modulated radar || 调频雷达
frequency-modulated receiver || 调频接收机，调频收音机
frequency-modulated transmitter || 调频发射机
frequency-modulated tuner || 调频调谐器
frequency-modulated wave || 调频波
frequency-modulation broadcast band || 调频广播波段
frequency-modulation broadcasting || 调频广播
frequency-modulation laser || 调频激光器
frequency-modulation motor || 频率调制电动机
frequency-modulation noise level on carrier || 载波的调频噪声电平
frequency-modulation receiver || 调频接收机
frequency-modulation receiver deviation sensitivity || 调频接收机偏差灵敏度
frequency-modulation threshold || 调频门限
frequency-modulation transmitter || 调频发射机
frequency-modulation tube || 调频管
frequency-modulation tuner || 调频调谐器
frequency-phase characteristic || 相频特性
frequency-shift converter || 频移变换器
frequency-shift keying || 频移键控(调谐)
frequency-temperature coefficient || 频率-温度系数
frequent operation || 频繁操作，频繁工作
fresh iron || 初熔铁
fretting corrosion || 擦伤腐蚀
friability || 脆弱性，易碎性
friable || 易碎
friable coal || 易碎煤
friction || 摩擦
friction and wear || 摩擦和磨耗
friction and windage loss || 摩擦和通风损耗(电机的)
friction angle || 摩擦角
friction bar || 摩擦棒(夹板锤的)
friction bearing || 摩擦轴承
friction bezel ring || 压紧盖环
friction brake || 摩擦制动器
friction circle || 摩擦圆
friction clutch || 摩擦离合器
friction coupling || 摩擦联轴器
friction disc || 摩擦片
friction disk || 摩擦盘，摩擦片
friction disk damper || 摩擦盘式减振器
friction drag || 摩擦阻力
friction drive || 摩擦传动
friction dynamometer || 摩擦测力计，摩擦功率计
friction error || 轻敲位移
friction facing || 摩擦衬片
friction factor || 摩擦因数，摩擦因子
friction force || 摩擦力，摩擦
friction gear || 摩擦传动装置
friction horsepower || 摩擦马力，摩擦功率
friction lining || 摩擦衬片
friction load || 摩擦负荷
friction material || 摩擦材料
friction moment || 摩擦力矩
friction pad || 摩擦块
friction plate || 摩擦盘
friction pulley || 摩擦轮
friction resisting || 耐摩擦
friction saw || 摩擦锯
friction separator || 摩擦分离器
friction squeezer || 摩擦榨取机
friction stock || 擦胶剂
friction surface || 摩擦(表)面
friction test || 摩擦试验
friction testing machine || 摩擦试验机
friction torque || 摩擦转矩
friction velocity || 磨擦速度
friction welding || 摩擦焊接
fri
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