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1by Takesi Nagata“... the South Pole and the 30°S latitude circle during 15 years from 1960 to 1975 are examined to study...”
Published 1982
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2“... Station were received mainly through the long path on the great circle. The mode of propagation varies...”
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3“... of the Martian high-latitude surface is underlain by ice-rich ground called the latitude-dependent mantle (LDM...”
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4“...As described in Part I, from a feasibility study of the Polar Patrol Balloon (PPB) which circles...”
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5“...。 As described in Part I, from a feasibility study of the Polar Patrol Balloon (PPB) which circles along a...”
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