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polar distance
gen. 極距 (きょくきょ) River and Water Resources Glossary (Infrastructure Development Institute Japan)
n polar distance | n
gen. 極距離 (kyokukyori)
 English thesaurus
polar distance
railw., abbr. p.d.
polar: 6 phrases in 3 subjects
Antennas and waveguides1
General3
Radio2