ultraviolet b 紫外线b ; 中波紫外线
ultraviolet b uvb 中波紫外线
narrowbard ultraviolet b 窄频uvb
ultraviolet b uvb irradiation 中波紫外线辐射
band ultraviolet b 中波紫外线
ultraviolet b rays 中波紫外线
ultraviolet b induced 中波紫外线辐射
ultraviolet b increase 紫外辐射增强
ultraviolet B radiation 中波紫外线辐射
The effects of enhancement of solar ultraviolet-B（UV-B,280320 nm） radiation caused by ozone depletion and increasing atmospheric CO2 concentration resulting from environment damage on biosphere have already got comprehensive notes among the government and scientists.
臭氧层减薄引起的太阳紫外线-B（UV-B，280-320nm）辐射增强和环境破坏导致的大气CO2浓度升高对生物圈的影响已越来越引起人们的关注。
参考来源 - 增强UV·2,447,543篇论文数据，部分数据来源于NoteExpress
The most valuable ultraviolet-B wavelengths of sunlight, 290 to 320 nanometers, are plentiful in summer.
日光中对人最有价值的UVB波长在290至320纳米，夏季较为充足。
The body gets most of its vitamin D not from diet but from skin exposed to the ultraviolet B radiation in sunlight.
身体获取的大部分维他命D不是从饮食而是靠皮肤曝露在阳光中的紫外线B射线取得的。
As skin pigmentation increases, so does the period of exposure to ultraviolet B radiation from sunlight needed to synthesise adequate amounts of vitamin d.
当皮肤色素沉着增多，所以需要暴露于阳光下紫外线B辐射的足够时间以合成足够数量的维生素d。
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