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metrological history of the People's Republic of China
释义
metrological history of the People's Republic of China
Encyclopedia
工学
中华人民共和国计量
释
metrological history of the People's Republic of China
中华人民共和国计量史
中国近现代计量从无到有,从弱到强,经过几代人的艰苦奋斗逐步发展的历程。
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galactic nucleus
Galactic orbit
galactic pericenter
Galactic plane
galactic plane
Galactic pole
galactic pole
Galactic potential
galactic primary gas clouds
Galactic radio astronomy
galactic radio astronomy
Galactic radio astrophysics
galactic radio astrophysics
Galactic radio emission
galactic radio emission
Galactic radio noise
Galactic radio radiation
galactic radio radiation
Galactic radio spur
Galactic ridge
Galactic rotation
galactic rotation
Galactic rotation curve
galactic rotation curve
galactic sheet
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更新时间:2025/3/18 4:30:00