名词
中文翻译：边界标记
同义词：
['border marker', 'boundary line', 'demarcation line']
例句：
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1. The company has been using this type of boundary marking to improve its efficiency.
该公司一直使用这种边界标记来提高其效率。
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2.The boundary markings on the map indicate the location of various cities and landmarks.
地图上的边界标记指示了各个城市和地标的位置。
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3.The boundary markings were carefully drawn to ensure that no one would cross the line without permission.
边界标记被仔细绘制，以确保未经允许任何人不得越过这条线。