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special relativityn.（名词）- The physical theory of space and time developed by Albert Einstein, based on the postulates that all the laws of physics are equally valid in all frames of reference moving at a uniform velocity and that the speed of light from a uniformly moving source is always the same, regardless of how fast or slow the source or its observer is moving. The theory has as consequences the relativistic mass increase of rapidly moving objects, the Lorentz-Fitzgerald contraction, time dilatation, and the principle of mass-energy equivalence. Also called special theory of relativity 狭义相对论：爱因斯坦提出的关于时间和空间的物理理论，其基本原理是：在任何惯性系中物理规律都相同（相对性原理），在任何惯性系中真空中的光速都相同，不论移动源或移动源观察者的速度是快还是慢（光速不变原理）。狭义相对论包括作为结果的迅速移动物体质量的相对增加、洛伦兹-菲茨杰拉德缩短、时间膨胀和质能当量原理 也作 special theory of relativity
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