International
Electrotechnical
Commission
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Area
Radio wave propagation
/ Terrestrial ionized media
IEV ref
705-06-33
en
polar cap
polar region bounded by an auroral zone
fr
calotte polaire
, f
région polaire limitée par une zone aurorale
ar
غطاء قطبي
de
Polarkappe, f
it
calotta polare
ko
극관
ja
極層
pl
czapka polarna
pt
calota polar
sv
polarzon
zh
极冠
Publication date:
1995-09
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