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首先介绍了狭义相对论的基本原理,包括狭义相对性原理和光速不变原理。然后用简单的数学探讨了动钟延缓和动尺缩短。最后给出了爱因斯坦建立广义相对论的动机。
Firstly, the basic principles of special theory of relativity are introduced, including the principle of special relativity and the principle of constant speed of light. Then with a simple mathematical discussion of the bell delay and moving ruler shortening. Finally, the motivation of Einstein to establish general relativity is given.