The two important characteristics of Lorentz transformation are discussed from the viewpoints of mathematics and physics, which are the time space symmetry and the time space relativity.

本文从数学和物理学的角度分析、讨论了洛伦兹变换的两个重要性质，即“时空对称性”和“时空相对性” 。

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Much to the bewilderment of professional scientists, quasi-religious cults are being formed around such unlikely topics as quantum physics, space-time relativity, black holes and the big bang.

令专业水准的科学家十分困惑的是，准宗教崇拜正围绕量子物理学、时空相对论、黑洞和大爆炸等不太可能的话题而形成。

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Now the basic idea of relativity was a symmetry between space and time.

此时相对论的基本思想是空间和时间的对称。

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When we do relativity, we'll be dealing with vectors in space-time and we'll find that different observers disagree on what is this and what is that.

我们学习相对论的时侯,会涉及到时空矢量的问题,我们会发现观测者们对于观测的结果,有着不同的看法

耶鲁公开课 - 基础物理课程节选

Space-time, according to Einstein's theories of relativity, is a four-dimensional fabric woven together by space and time.

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One of his great achievements since then, together with mathematician Roger Penrose, has been to prove that Einstein's General Theory of Relativity means space and time has a beginning in the "Big Bang" and ends in black holes.

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Together, they developed Dr Ashtekar's idea to show that it implies that space and time are not smooth, as general relativity requires, but come in tiny, distinct chunks.

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