名词
中文翻译：地面指示器
同义词：
['landmark', 'landmark indicator例句：1. The ground indicators are used to indicate the location of buildings and roads.（地面指示器用于标示建筑物和道路的位置。）2. The new landmark indicator has been installed at the entrance of the museum.（新的指示器已安装在博物馆入口。）']
例句：
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1. The ground indicators are used to indicate the location of buildings and roads.
地面指示器用于标示建筑物和道路的位置。
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2. The new landmark indicator has been installed at the entrance of the museum.
新的指示器已安装在博物馆入口。
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3. The ground indicator is a crucial tool for navigation in urban areas.
地面指示器是城市地区导航的关键工具。