频率传输函数    frequency transfer function

频率上转换    frequency up-convrsion

频率控制激光器    frequency-controlled laser

频率相关介电常数    frequency-dependent delectric constant

分频多工器    frequency-division multiplex (FDM)

倍频的    frequency-doubled

频率调制，调频    frequency-modulation? (FM)

偏频锁定    frequency-offset-lock

频面掩模片    frequency-plane mask

扫描振荡器    frequency-sweep generator

频谱    frequnecy spectrum

费密    frermi

频率扫描雷达    frescanar? (frequency scanning radar)

新镀铝    freshly-deposited aluminum

镜片    Fresnel

棱镜    Fresnel

菲涅耳    fresnel

菲涅耳环带物镜    Fresnel annular zone objective

菲涅耳近似    Fresnel approximation

菲涅耳双棱镜    Fresnel biprism

菲涅耳衍射    Fresnel diffractino

夫瑞奈绕射    fresnel diffraction

菲涅耳牵引    Fresnel drag

菲涅耳公式    Fresnel formula

夫瑞奈条纹    fresnel fringe

菲涅耳全息图    Fresnel hologram

菲涅耳积分    Fresnel integrals

菲涅耳刀口试验    Fresnel knife-edge test

菲涅耳透镜    Fresnel lens

菲涅尔透镜    fresnel lenses

夫瑞奈损失    fresnel loss

夫瑞奈面镜    fresnel mirrors

菲涅耳数    Fresnel number

菲涅耳反射    Fresnel reflectino

夫瑞奈反射    fresnel reflection

夫瑞奈反射损失    fresnel reflection loss

夫瑞奈反射方法    fresnel reflection method

菲涅耳菱形棱镜    Fresnel rhombus

菲涅耳波带    Fresnel zone

菲涅耳带片    Fresnel zone plate

菲涅耳双棱镜    Fresnel‘s biprism

菲涅耳衍射    Fresnel‘s diffraction