名词短语中文翻译
中文翻译：飞行员气球测距仪
同义词：
['pilotsbike', 'pilotscope']
例句：
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1.The pilot balloon was used to measure the distance between the two cities.
飞行员气球被用来测量两个城市之间的距离。
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2. The pilot balloon was a crucial tool for surveying the terrain.
飞行员气球是勘测地形的关键工具。
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3. The pilot balloon was launched into the sky to gather data for the research project.
飞行员气球被发射到天空中，为研究项目收集数据。