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天球儀的英文翻譯
基本釋義
參考釋義
- 天球儀 [tiān qiú yí]
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- celestial globe; celestial sphere; star globe; cosmosphere:
The celestial globe invented by Zhang Heng, Chinese scientist of the East Han Dynasty （25 A.D. - 220 A.D.), was the first of its kind in the world. It determined that the angular diameter of both the sun and the moon was 0.5° and the obliquity of the ecliptic was 24°. 中國東漢科學家張衡發明的天球儀是世界上最早的天球儀。 它可以測出太陽和月亮的角直徑都是0.5度，黃赤交角為24度。
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