backscattered
散射
背
散
反
后向
回
逆
背面
背向
反向
回散射厚度
回散射辐射
后向散射
backscattered electron image
backscattered electron imaging
backscattered electrons
backscattered gamma ray
backscattered time-shift
backscattered ultrasound
Backscattered ultraviolet radiance
Electron backscattered diffraction
~ 192 Ir radiation accident
~(192)Ir radiation source
~(60)Co~gamma radiation mutagenesis