名词
中文翻译：水文学六分仪同义词
同义词：
["hydrographer's sextant", "hydrographer's sextant", "hydrographer's sextant"]
例句：
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1. The hydrographer's sextant is used to measure the angle of the sun at sea level.
水文学六分仪用于测量海平面上的太阳角度。
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2. The hydrographer's sextant was a revolutionary tool for mapping ocean currents.
水文学六分仪是绘制海洋洋流的革新工具。
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3. The hydrographer's sextant was used by sailors to navigate during the dark of the moon.
水手们在满月之夜使用水文学六分仪导航。