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首页 - 英汉词典 - A字开头的单词或词组 - Appleton layer

英语解释

Appleton layer

汉语翻译

【计】阿普尔顿层

Appleton layer英语解释

名词 appleton layer:

the highest region of the ionosphere (from 90 to 600 miles up) which contains the highest concentration of free electrons and is most useful for long-range radio transmission
同义词：F layer, F region

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