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目视天顶仪
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目视天顶仪
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大地测量仪器
释
visual zenith plummet
目视天顶仪
将望远镜的视准轴与铅垂线重合,通过目镜观察,向天顶方向确定铅垂线的测量仪器。
Astronomy
全称:visual zenith telescope。缩写:VZT
目视天顶仪
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Urengoy-Uzhhorod Gas Pipeline
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