名词
中文翻译：可见性计
同义词：
['visibleness meter', 'visibleness gauge', 'visibleness indicator']
例句：
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1. The engineerused a visibility meter to measure the distance between the two buildings.
工程师使用可见性计来测量两座建筑物之间的距离。
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2. The visibility meter was used to determine the optimal viewing angle for the project.
可见性计被用来确定项目的最佳观看角度。
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3. The visibility meter showed that the fog had reduced significantly in this area.
可见性计显示这个地区的雾气已经显著减少。