英语词汇“f2 layer”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	f2 layer
释义	f₂ layer \ˈef\|tü-\ noun Usage: capitalized F : the upper and usually more densely ionized of the two layers into which the F region of the ionosphere splits in the daytime, occurring at varying heights from about 150 to 250 miles or more above the earth's surface
随便看	action spectrum action time actionum actio stricti juris actipylaea actipylaria actipylea activable activate activated activated alumina activated carbon activated charcoal activated sludge process activation activation activation analysis activation energy activator activator active active active amyl alcohol active bond active carbon

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