名词
中文翻译：测距仪
同义词：
['measurement instrument', "surveyor's level", "surveyor's transit"]
例句：
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1. Theengineer used a perflectometer to measure the distance between two points on the map.
工程师使用测距仪测量地图上两点之间的距离。
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2. The surveyor's level is used to check the elevation of the ground surface.
水准仪用于检查地面表面的海拔高度。
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3. The surveyor's transit was used to measure the length of the building's perimeter.
测距仪用于测量建筑物周长的长度。