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Checklist

自查清单


Key questions

关键问题

How did Poincare define simultaneity at adistance? How was his concept different from classical simultaneity?

庞加莱是如何定义距离的?他的概念与古典的同时性有什么不同?                                                                                               

Key concepts

关键概念

Waves

波浪

Propagation of waves through a medium

波在介质中的传播

The Aether

乙醚

Michelon& Morley's experiment

Michelon和莫雷的实验

The gamma (γ) contraction

γ收缩

Coordination of Clocks

协调的钟