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全部话题 - 话题: fengti
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w*******r
发帖数: 4910
1
我觉得吧,人类在亿万年的进化中,已经适应了对付自然界中的冷空气,比如打fengti
,多加衣服什么的,而冰水是有了冰箱才出现的,人身体还没学会这样对付肠胃里的急冷

近些年看看中医保养的知识,绝对反对吃冰冷的东西。昨天在外面散步,忽然想到,我
天天出去呼吸冷空气,到底好不好呢?谢谢!
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w*******n
发帖数: 2330
2
听上去有道理!

fengti
急冷
b*********1
发帖数: 65
3

fengti
急冷
美国人好像能对付。。。
d*******2
发帖数: 340
4
来自主题: Science版 - LED无衍射BESSEL光束
http://www.edphoton.com/Non-diffraction%20Bessel-like%20Beam%20
Non-diffraction Bessel-like beam can be generated by LED light. This has
been demonstrated for the first time by Zhiming Cheng, Fengtie Wu, et al.,
scientists from Huaqiao University, China. The work has been published by
Scientia Sinica [Physica, Machanica & Astronomica, or China Science, (
Physics, Mechanics & Astronomy)], one of the top Chinese Scientific Journals
, in August 2012.
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