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紫外辐射 [zǐ wài fú shè]
ultraviolet radiation
[光] ultraviolet light
[光] ultraviolet light
- 受到强劲的星际风和紫外辐射的冲击，这些发光的氢气云被称为 H II（离子化的氢）区。
Sculpted by the strong stellar winds and ultraviolet radiation, the glowing hydrogen clouds are known as H II (ionized hydrogen) regions. - 此外，比起胶带上的海葵，放在珊瑚骨骼上的海葵所遭受的紫外辐射少四倍，其DNA所受到的破坏少大约七倍。
What's more, anemones placed on the coral received four times less UV radiation and showed about seven times less damage to their DNA than those placed on the tape. - 里夫指出，许多海生光合生物也产生碳酸钙，它们产生碳酸钙或许是为了保护自己不受紫外辐射的伤害。
Many of the photosynthetic organisms that live in the oceans also produce calcium carbonate, and they may have begun doing so to protect themselves from ultraviolet radiation, says Reef.
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