英语词汇“F region”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	F region
释义	Word Frequency F region noun the highest region of the ionosphere, extending from a height of about 150 kilometres to about 1000 kilometres. It contains the highest proportion of free electrons and is the most useful region for long-range radio transmission Also called: Appleton layer. See also ionosphere
随便看	in the event of in the event that in the eye of the wind in the face of in the family way in the field in the final analysis in the flesh in the forties in the frame in the groove in the heat of the moment in the hole in the hunt in the know in the lap of the gods in the large in the last analysis in the least in the light of in the line of duty in the long haul in the long run in the long term in the main

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