β射线反散射沉降仪【冶】

Rutherford backscattering spectroscopy\nRBS\n电子

backscattering factor【物】

rutherford backscattering

gamma backscattering thickness gauge

backscatter【物】;backscattering【物】;backward scattering【物】

backscattering【电讯】

backscattering thickness ga(u)ge【力】

backscattering gauge