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光电等高仪
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光电等高仪
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photoelectric astrolabe
光电等高仪
利用光电技术自动计时的等高仪。
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光电等高仪
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photoelectric astrolabe
光电等高仪
用光电方法自动记录恒星经过60度等高圈的时刻,从而归算出经度(世界时)和纬度的一种新型仪器。
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photoelectric astrolabe
光电等高仪
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