- ionospheric cutoff
-
ионосферная предельная (граничная) частота
Англо-русский словарь технических терминов. 2005.
Англо-русский словарь технических терминов. 2005.
Ionosphere — The ionosphere is a part of the upper atmosphere, comprising portions of the mesosphere, thermosphere and exosphere, distinguished because it is ionized by solar radiation. It plays an important part in atmospheric electricity and forms the inner … Wikipedia
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