| 单词 | equatorial radius |
| 释义 | equatorial radius [´e·kwǝ`tȯr·ē·ǝl `rād·ē·ǝs] GEODESY The radius assigned to the great circle making up the terrestrial equator; approximately 6,378,099 ± 116 meters (20,920,165 ± 380 feet). |
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