| 单词 | Kennelly layer |
| 释义 | Kennelly-Heaviside layer or region /kenˈə-li-hevˈi-sīd lāˈər or rēˈjən/nounA strongly ionized region of the upper atmosphere about 60 miles up, in which wireless waves are deflected (also Kennelly layer, Heaviside layer and Eˈ-layer) ORIGIN: AE Kennelly (1861–1939) and O Heaviside (1850–1925), who inferred its existence |
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