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单词
F region
释义
F region
['ef,ri:d?i?n]
释义
[气象学]F区,F(电离)层
英英释义
Noun
1. the highest region of the ionosphere (from 90 to 600 miles up) that contains the highest concentration of free electrons and is most useful for long-range radio transmission
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hesitate in
hesitate in speaking
hesitater
hesitaters
hesitates
hesitate squeeze
hesitating
hesitatingly
hesitating relay
hesitatings
hesitation
hesitational
hesitation-choose model
hesitation period
hesitation roll
hesitations
hesitation set
hesitation waltz
Hesitation wound
hesitation wounds
hesitatious
hesitative
hesitatively
hesitativeness
hesitator
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更新时间：2026/4/15 19:01:41