单词	学术问题
释义	学术问题医Academic problem
随便看	backscattering thickness gage back-scattering thickness gage backscattering thickness gauge backscattering thickness ga u ge backscattering thick-ness gauge backscattering wave backscatter ionogram back-scatter ionospheric sounding backscatter laser Doppler velocimeter back-scatter measurement system backscatter meter backscatter method backscatter modulation backscatter pattern backscatter peak back-scatter peak backscatter percentage backscatter pressure back scatter protection backscatter radar backscatter radiation backscatter reconstruction method backscatters back-scatter soil density gauge backscatter sounding