运用几何语言，从时空的3+1分解的角度，探讨了狭义相对论中具有Galilean变换形式的坐标变换，以及参考系与坐标系的区别、惯性坐标系的测量意义、光速不变的含义等概念性的问题。%The Galilean transformations in terms of 3+1 decomposition of Space-Time are discussed. A comment on some conceptual problems, such as the distinction between reference frame and coordinate frame, the sense of measurement in inertial coordinate frame, the implication of the invariable speed of light, is given.
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