评论了仅仅依据光速不变假设和相对性原理推导洛伦兹变换公式的方法。
The derivation methods of Lorentz transformation according to invariance of light speed and principle of relativity are commented.
介绍了一台自制的利用相位差法测量光速的仪器的基本原理和方法，并通过对光在空气中的传播速度的测定，使大家对用相位变化测量光速仪器有所了解。
This article introduced the basic theory and method of measuring the velocity of light using the method of phase difference and how to measure the velocity of light using phase difference in air.
而作为光速不变原理的作用物质，相对论是以电磁波的光而对象的。
And as the speed of light, the role of the same principle of relativity is the material object and the electromagnetic wave light.
在大多数介绍狭义相对论的文章中，导出洛仑兹变换公式的依据都是相对性原理和光速不变原理。
In this paper, authors present a derivation of the Lorents transformation by invoking the principle of relativity alone, without the principle of invariance of light speed.
分析红宝石晶体中的光速减慢原理及实验装置，观测到极慢光速现象。
Analyzed the principle of slow light propagation in Ruby crystal and it's experiment setting, observed the phenomena of slow light propagation.
爱因斯坦的光速不变假设违反相对性原理，他的洛伦茨变换中的时间变换式是错误的。
Einstein's postulate on the constant speed of light violates the principle of relativity and his time-transformation formula is invalid.
爱因斯坦的光速不变假设违反相对性原理，他的洛伦茨变换中的时间变换式是错误的。
Einstein's postulate on the constant speed of light violates the principle of relativity and his time-transformation formula is invalid.
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