f-region
f-region是什么意思、f-region怎么读
【电】 F区
f-region汉语翻译
【电】 F区
f-region英语解释
名词 f-region:
- 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