单词：unbalanced structural change
单词：unbalanced structural change 相关文章
Time spent in zero G changes the body: Astronauts come home with bone loss and muscle weakness. But what happens in their heads? To find out, researchers examined MRIs of astronauts brains taken before and after flight. They looked at 12 astronauts w
2017年Scientific American(二)月
They have not been trained. 他们没接受过训练。 So do you need 50,000 hours of meditation? No, you don't. 你需要五万小时的冥想吗？不，不需要的。 Four weeks, 20 minutes a day, of caring, mindfulness meditation already brings
TED演讲科学篇
By Sabina Castelfranco Rome 12 November 2006 Pope Benedict XVI delivers his Angelus prayer from his window, November 12, 2006 Pope Benedict XVI urged the faithful to change their style of life and consumption to alleviate world hunger. He urged a ch
2006年VOA标准英语（十一月)
China has set a target of increasing its proportion of non-fossil energy to 20 percent of total energy consumption by 2030. China's Special Representative on Climate Change at the Paris conference Xie Zhenghua says, to achieve that goal, China is see
2015CRI中国国际广播电台
China's sex ratio is quite worrying nowadays. According to census data, China's sex ratio at birth was 108 males to every 100 females in the early 1980s, only slightly above the natural rate of 103 to 107. In 2000 the ratio was 116.9 males to 100 fem
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