单词 | air-earth conduction current |
释义 | air-earth conduction current [¦er ¦ǝrth kǝn`dǝk·shǝn ´kǝr·ǝnt] GEOPHYSICS That part of the air-earth current contributed by the electrical conduction of the atmosphere itself; represented as a downward movement of positive space charge in storm-free regions all over the world. Also known as air current. |
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