辐射测壁厚仪
radiation wall thinkness measure device
γ反向散射测厚仪
gamma backscattering thickness gauge
γ射线辐射仪校准
Gamma-ray instrument calibration
半导体雷射辐射束缚
laser
radiation confinement of semiconductor
被动式微波辐射测量法
passive microwave radiometry
被动式微波辐射仪
passive microwave radiometer