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单词 ether
释义 ether(aether)
A hypothetical medium once believed to be necessary to support the propagation of electromagnetic radiation. It is now regarded as unnecessary and in modern theory electromagnetic radiation can be propagated through empty space. The existence of the ether was first called into question as a result of the Michelson-Morley experiment
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更新时间:2025/6/24 6:17:05