The action or practice of protecting from or blocking (potentially damaging) ionizing radiation. Also: a layer of material for this purpose, esp…
单词 | θ78701 |
释义 | the world > matter > physics > electromagnetic radiation > [noun] > shielding from radiation (1) screening1914 The action or practice of protecting from or blocking (potentially damaging) ionizing radiation. Also: a layer of material for this purpose, esp… |
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