但是经过进一步的调查看起来这些光束已经在过去出现过了，而且它是由于天气的原因，由于冰晶或者其他之类的自然科学范畴，这让我大跌眼镜。
Yet on further investigation it seems that these lights have appeared before and it is due to weather conditions and icecrystals or something scientific that blows my head off.
其原因是人文科学的作用一时没有自然科学那么直接、迅速和明显。
The cause is that functions of the humanities are not so direct, rapid and clear, as the natural science in a short period of time.
中国科学家至今未获诺贝尔自然科学奖的真正原因是中西方之间在文化基因方面存在巨大差异。
The real cause why Chinese scientists have not won any Nobel Prizes in science up to now is the great difference in culture genes between China and the West.
黛博拉•科恩是美国兰德公司一位高级自然科学家，她所著书籍《肥胖危机：肥胖背后隐藏的原因及如何摆脱肥胖》即将出版问世。
Deborah Cohen is a senior natural scientist at the Rand Corp. and the author of the forthcoming book "a Big Fat Crisis: the Hidden Forces Behind the Obesity Epidemic and How We Can End it."
之所以读研究生，主要基于以下原因，一是学习的兴趣，我是一个兴趣广泛的人，但是面对化学这么自然科学，我有着特别浓厚的兴趣。
First reason is i am interested in learning, i have many hobby, but facing chemistry of the subject of natural science, i have a special interest in it.
之所以读研究生，主要基于以下原因，一是学习的兴趣，我是一个兴趣广泛的人，但是面对化学这么自然科学，我有着特别浓厚的兴趣。
First reason is i am interested in learning, i have many hobby, but facing chemistry of the subject of natural science, i have a special interest in it.
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