geographical mile
短语n. 地理英里（赤道1分的弧长）
词形变化
geographical miles
复数
geographical miles
别名
geographic mile
释义与例句
n.
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1.
A unit of length corresponding to exactly one minute of arc (1/60 degree) along the Earth's equator, about 1855.4 meters, 2029.1 yards, or roughly 8/7 international miles.
Near-synonyms: nautical mile, sea mile (very close to the same distance)
A geographical mile I call ye sixtith part of a degree of a great circle upon the earth & these miles upon ye body of the Moon in her mean distance from us answer to seconds.
The equator is exactly 21,600 geographical miles long, about 40,075 km or 24,901 miles.
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2.
Synonym of nautical mile, exactly 1,852 meters.