辐射食品防腐
radiation preservation of food
PVC防辐射复合膜
anti-radiant PVC laminated film
半导体雷射辐射束缚
laser
radiation confinement of semiconductor
大气窗口波段的发射辐射
atmospheric window band emission
电磁辐射防护
Protection from electromagnetic radiation
电磁辐射防护织物
fabric to protect electromagnetism wave
fabric for electromagnetic wave protection
电反射辐射器
electric reflector radiator
电离辐射(γ-射线)
Ionization radiation (r-radiation
电离辐射防护
ionizing radiation protection
反射辐射分布
reflection radiance distribution
反射辐射光谱
reflection and radiation spectrum