magnesium oxide radiation barrier 颗粒氧化镁阻挡层
barrier radiation 辐射障壁
surface-barrier radiation sensor 表面势叠辐射传感器
barrier to infrared radiation 红外线放射的障碍
Ozone is the earth's barrier against ultra-violet radiation.
臭氧是地球防止紫外线辐射的屏障。
When conditions are hot, the ostrich erects them on its back, thus increasing the thickness of the barrier between solar radiation and the skin.
当天气炎热时，鸵鸟会把它们背在背上，这样就增加了太阳辐射与皮肤之间的屏障厚度。
Ozone is the earth's barrier against ultraviolet radiation.
臭氧是地球防止紫外线辐射的屏障。
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