Neutrinos can thus escape from regions of space where light and other kinds of electromagnetic radiation are blocked by matter.
因此,中微子可以从光和其他电磁辐射被物质阻挡的空间区域中逃逸出来。
The absence of oxygen on other planets means that those planets lack an ozone shield to protect life forms against UV radiation.
其他行星上没有氧气,这意味着这些行星缺乏保护生命体免受紫外线辐射的臭氧层。
The absence of an oxygen atmosphere on Mars and other planets in our solar system means that these planets also lack an ozone shield that would protect surface-dwelling life from UV radiation.
在火星和我们太阳系的其他行星上没有氧气,这意味着这些行星也缺乏保护地表生物免受紫外线辐射的臭氧层。
In two other cities, Los Angeles,California and Huntsville,Alabama, a study also showed significant differences in radiation.
VOA: standard.2010.01.30
On the other hand, when it came to penetrating solids, penetrating solids, the alpha radiation was poor at penetrating solids, whereas the beta radiation was very good at penetrating solids.
另一方面,当研究穿过固体的时候,嗯,穿过固体,会发现阿尔法射线很难穿过固体,然而贝塔射线,很容易穿过固体。
A spokesman for the group says CT scans are frequently used in hospital emergency rooms because the results can be read quicker than with other tests, like ultrasound or MRIs, that do not use radiation.
VOA: standard.2010.01.30
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