angular diameter meaning in English
角直径
Examples
- 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 .
中国东汉科学家张衡发明的天球仪是世界上最早的天球仪。 - Angular diameter of the retro - reflecting device
回复反射装置的角直径