单词：Minkowski spacetime
明可夫斯基时空
单词：Minkowski spacetime 相关文章
Agriculture Report - Tomato's Genetic Secrets Are Peeled Away This is the VOA Special English Agriculture Report. Scientists have made a genetic map of the tomato. Tomatoes are second only to potatoes as the world's most valuable vegetable crop. Eigh
发表于:2019-02-08 / 阅读(98) / 评论(0)
2012年VOA慢速英语(七)月
2012年VOA慢速英语(七)月
The most challenging and nonintuitive of all the concepts in the general theory of relativity is the idea that time is part of space. Our instinct is to regard time as eternal, absolute, immutablenothing can disturb its steady tick. In fact, accordin
发表于:2019-02-17 / 阅读(43) / 评论(0)
万物简史
万物简史