单词 | E layer |
释义 | E layer [`ē ´lā·ǝr] GEOPHYSICS A layer of ionized air occurring at altitudes between 60 and 72 miles (100 and 120 kilometers) in the E region of the ionosphere, capable of bending radio waves back to earth. Also known as Heaviside layer; Kennelly-Heaviside layer. |
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