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词汇 E layer
释义 E layern.(名词)
  1. A region of the ionosphere, occurring from about 90 to 150 kilometers (55 to 95 miles) above Earth and influencing long-distance communications by strongly reflecting radio waves in the range from one to three megahertz. Also called E region ,Heaviside layer ,Kennelly-Heaviside layer E层:电离空气的一层,出现在地球上方90到150公里(55到95英里)的高度之间,通过强烈反射1到3兆赫的无线电波影响长距离通讯 也作 E region,Heaviside layer,Kennelly-Heaviside layer
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