单词：tangential curvature
切线曲率
单词：tangential curvature 相关文章
This is Scientific Americans 60-Second Science, Im Cynthia Graber. This will just take a minute. Not too long ago, scientists had to hoof it to the library to review the literature. And they had to flip through a card catalog to find that dusty old v
发表于:2018-12-24 / 阅读(144) / 评论(0)
Scientific American(七)月
Scientific American(七)月
还记得孙燕姿那首红遍大江南北的《绿光》吗？翻越过前面山顶、层层白云，绿光在哪里？不知道有多少人跟小编一样，以为歌里的绿光只是对幸福的比喻。而其实在现实中，绿光是真实存在
发表于:2019-01-28 / 阅读(178) / 评论(0)
实用英语
实用英语
The analogy that is usually given for explaining the curvature of space is to try to imagine someone from a universe of flat surfaces, who had never seen a sphere, being brought to Earth. No matter how far he roamed across the planet's surface, he wo
发表于:2019-01-29 / 阅读(172) / 评论(0)
万物简史
万物简史