单词：invariant in spacetime
时空不变式
单词：invariant in spacetime 相关文章
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(64) / 评论(0)
万物简史
万物简史