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29舒恒杞
（33） 光束不宜做长度基准 摘要：在选定“长度基准”上，现在把光速C作为常数来确定长度基准。作者认为，光速是否恒定， 尚无定论。因此这种把光速看作常数的观点并以此作为长度基准是错误的。 关键词： 长度基准 不宜 常数不常 The speed of light is unsuitable for being used as the standard of length. When the standard of length is chosen, the speed of light. C can be used as a constant to define it. The author doesn’t think it is certain the speed of light is fixed .So it is wrong to consider the speed of light as a constant and the speed of light as a constant and the standard of length. Key words: the standard of length a constant the speed of light uncertain sdko@163.com 湖南怀化学院 ※※※※※※ 刘武青 |