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单词
minor planet
释义
minor planet
Encyclopedia
理学
小行星
释
asteroid; minor planet
小行星
沿近圆或椭圆轨道环绕太阳运行,没有彗星活动特征,大小从米级到几百公里级的岩质小天体。
Physics
交叉学科
天体物理学
minor planet, asteroid
小行星
Astronomy
minor planet
小行星
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observation and description on external things
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observation method
observation network at seabed
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