By using Lorentz transformation, this article explains the paradox of Lorentz length contraction, it also proves that observers in different reference systems reach the same observing conclusion.
本文应用洛仑兹变换和信号的传播速度小于光速，解释了洛仑兹长度收缩佯谬，具体证明了在不同参照系上的观测者，观测所得结论相同。
The article points out main characteristics and the contraction analysis of the period of economic transformation and solutions to the contraction.
经济转型时期的主要特征，转型时期的紧缩分析。
The article points out main characteristics and the contraction analysis of the period of economic transformation and solutions to the contraction.
经济转型时期的主要特征，转型时期的紧缩分析。
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