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天文经纬仪
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天文经纬仪
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经纬仪
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celestial theodolite
天文经纬仪
用于测量天体高度和方位的经纬仪。可测定天文纬度、经度和方位角,属于大地天文测量的高精度经纬仪。
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astronomical theodolite
天文经纬仪
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