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单词 θ107597
释义
the world > movement > rate of motion > [adjective] > at speed of light > greater or less than the speed of light (2)
superluminal1959

Designating a speed greater than that of light; having such a speed. Also: designating astronomical objects that appear to have such a speed but are…

subluminal1967

Less rapid than the speed of light.

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更新时间:2024/12/24 9:27:47