单词:dyanmics of rigid body
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Sugar-It Could Age You 吃糖一向被视为肥胖者的大忌,,除此以外,一般读者可能还知道吃糖与蛀牙、与某些心血管疾病的关系。可你是否想到过吃糖与人的衰老也有关系呢?本文则报道了这方面的
Study Shows PFCs Can Reduce Vaccine Effectiveness When children are vaccinated their immune systems produce antibodies that protect them from debilitating and potentially deadly childhood infections, such as polio, measles, diphtheria and tetanus. Th
SCIENCE REPORT — March 27, 2002: New Stem Cell Study By Mario Ritter This is the VOA Special English SCIENCE REPORT. Researchers at an American medical center say special stem cells in normal human
Sugar-It Could Age You 吃糖一向被视为肥胖者的大忌,除此以外,一般读者可能还知道吃糖与蛀牙、与某些心血管疾病的关系。可你是否想到过吃糖与人的衰老也有关系呢?本文则报道了这方面的最
Designed by scientists at the Max Plank Institute in Germany, the iSkin can be stuck to fingers, forearms or even behind people's ears. The thin, flexible sensors can be glued on to the skin like a temporary tattoo. They allow users to control smartp
A short video about looking more confident, with advice from Judi James-our body language expert and author of 'Body Talk At Work'. Here VideoJug shows you some simple tricks to looking confident in any situation. 这是一部介绍关于如何让自己