f layer

f layer是什么意思、f layer怎么读
【电】 F层

f layer汉语翻译

【电】 F层

f layer英语解释

名词 f layer:

  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 region