名词
中文翻译：数据射线
同义词：
['data ray', 'data beam', 'data ray beam']
例句：
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1. The scientist used a datum ray to measure the distance betweentwo points on the map.
科学家使用数据射线测量地图上两点之间的距离。
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2. The dataray was sent out from the satellite andcollected by the ground station.
数据射线从卫星发出，并由地面站收集。
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3. The datum ray was crucial in determining theaccuracy of the measurements.
数据射线在确定测量准确性中起着关键作用。