...DNAPOLYHEDRA化学和数学 sunlight or chemical » 阳光或化学 who developed the Theory of Relativity,arrived at this theory through mathematics » 谁开发的相对论，在到达这个理论通过数...
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这种现象引起了人们很大的惊讶，因为当时每个人都会认为影像(或X -射线)是由在阳光的触媒下的某种化学反应所产生。
This was a great surprise because everyone thought that the shadow (or X-ray) had been created by a chemical reaction with sunlight.
这些固态氮冰在阳光照射下会产生化学反应，生成粉色或红色的化合物。
The pinkish deposits constitute a vast south polar cap believed to contain methane ice, which would have reacted under sunlight to form pink or red compounds.
他们研究了21个从56到85岁的有光化学角质或阳光晒伤的人。
They studied 21 people aged 56 to 85 with actinic keratoses and sun damage.
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