Results for « 阿普尔顿层 » (cmn)
08582613-n
阿普尔顿层, 电离层
Heaviside layer, Kennelly-Heaviside layer, E layer, E region
     a region of the ionosphere (from 50 to 90 miles up) that reflects radio waves of medium length
 
08582337-n
阿普尔顿层, 阿普顿层
Appleton layer, F layer, F region
     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
 

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