名词
中文翻译：地面观察同义词
同义词：
['observation', 'ground survey', 'terrain observation']
例句：
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1. The scientist conducted a ground observation of the volcano's activity.
科学家对火山的活动进行了地面观察。
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2. During the flight, the pilot made a ground observation of the surrounding area.
飞行中，飞行员对周围地区进行了地面观察。
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3. The engineer used ground observation to analyze the data collected from the drone.
工程师使用地面观察来分析无人机收集的数据。