英语词汇“Appleton layer”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	Appleton layer
释义	ap·ple·ton layer AHDˈapəltən-,-tᵊn- 基本英英近义反义阿普顿层 Noun: 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近义词 F regionF区F layer电离层
随便看	standarize standarized component standarized instruction standarized senna fruit extract standarized test situation standarizing pump standarlization standarlized catheter management stand around standars Gibbs function increase stand as stand as a ramrod stand as guarantor stand a show stand a show of stand at the door stand at the door/in the doorway stand at the head of the class stand at the top of stand at zero stand average breast diameter stand average breast diam-eter stand aside stand a slim chance of stand astraddle