polar exploration

polar exploration:

see AntarcticaAntarctica
, the fifth largest continent, c.5,500,000 sq mi (14,245,000 sq km), asymmetrically centered on the South Pole and almost entirely within the Antarctic Circle. Geology and Geography

Antarctica consists of two major regions: W Antarctica (c.
..... Click the link for more information. ; Arctic, theArctic, the
northernmost area of the earth, centered on the North Pole. The arctic regions are not coextensive with the area enclosed by the Arctic Circle (lat. 66°30'N) but are usually defined by the irregular and shifting 50&degF; (10&degC;) July isotherm that closely
..... Click the link for more information. .

单词	polar exploration
释义	DictionarySeeAntarctica polar exploration polar exploration: see AntarcticaAntarctica , the fifth largest continent, c.5,500,000 sq mi (14,245,000 sq km), asymmetrically centered on the South Pole and almost entirely within the Antarctic Circle. Geology and Geography Antarctica consists of two major regions: W Antarctica (c. ..... Click the link for more information. ; Arctic, theArctic, the northernmost area of the earth, centered on the North Pole. The arctic regions are not coextensive with the area enclosed by the Arctic Circle (lat. 66°30'N) but are usually defined by the irregular and shifting 50&degF; (10&degC;) July isotherm that closely ..... Click the link for more information. .
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