对流层散射前方传播
forward propagation tropospheric scattering
向前散射角
forescattering angle (=forward-scattering angle
Angle
forward-sacttering
触角前方的
preantennal (L. pre. -antenna
preantennal
前散射径谱计
forward scattering spectrometer
前散射径谱计探测器
architectural drawing recognition
前散射能见度计
forward scatter visibility meter
前散射原理
forward scattering theorem