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天顶筒 天顶仪
zenithtube
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天顶筒
zenith tube
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天顶仪
z zenith tube zenith i trument zenith instrument zenith telescope zenith tube
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目视天顶筒
visual zenith telescope
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照相天顶筒
photographic zenith tube
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【天文学】天顶仪。
zenith telescope
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地平天顶仪
horizontal zenith telescope
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浮动天顶仪
floating zenith telescope
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腐天顶仪
floating zenith telescope
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目视天顶仪
visual zenith telescope
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水平天顶仪
horizontal zenith telescope
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天顶仪,天顶望远镜
zenith telescope
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地平式天顶仪
horizontal zentith
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水平式天顶仪
horizontal zenith telescope
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天顶
[天文学] zenith ◇天顶角 zenith angle
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天顶,顶点
zenith
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天顶的
vertical zenithal
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天顶点
zenith point
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