名词
中文翻译：投影仪目镜
同义词：
['projector eyepiece', 'projection lens例句：1. The projector is set up in the classroom for demonstration purposes.（投影仪被设置在教室里用于演示目的。）2. The teacher used a projection eyepiece to show the students the diagram.（老师使用投影仪目镜向学生们展示图表。）']
例句：
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1. The projector is set up in the classroom for demonstration purposes.
投影仪被设置在教室里用于演示目的。
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2. The teacher used a projection eyepiece to show the students the diagram.
老师使用投影仪目镜向学生们展示图表。
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3.The student used the projector eyepiece to adjust the brightness of the screen.
学生使用投影仪目镜调整屏幕的亮度。