名词
中文翻译：面镜
同义词：
['sector mirror', 'sector reflector', 'sector lens']
例句：
-
1.The facet mirror is used to focus light onto a specific area.
面镜用于将光线聚焦到特定区域。
-
2.In the construction industry, facet mirrors are commonly used to measure the angle of a wall.
在建筑行业中，面镜常被用来测量墙的角度。
-
3. The engineer designed the facet mirror to be easily adjustable for different lighting conditions.
工程师设计了这种面镜，以便在不同的照明条件下进行调节。