单词乎
首页 - 英汉词典 - F字开头的单词或词组 - f-region
英语解释

f-region

汉语翻译

【电】 F区

f-region英语解释

名词 f-region:

  1. 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:Appleton layer, F layer, F region
0
纠错
猜你喜欢
farthesto-xylyleniminereckoningprocess annealingmonitor consolecontinuous-column dissolver
应用推荐