http://www.lovebaidu.net
回答: 这种“重画”是一个彭加莱运动。)从W的观点看,U的同时性空间看起来是“向上倾斜”的,这就是为何事件B从U的观点看显得比A还早的原
由 marketreflections
于 2011-01-27 17:49:57
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