名词
中文翻译：投影仪距离
同义词：
['projection distance', 'projection range', 'projected distance']
例句：
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1. The projector needs to be positioned at a distance of about 2 meters from the screen.
投影仪需要放在距离屏幕大约2米的位置。
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2.The movie was so long that we had to sit in the back row for the entire duration.
电影太长了，我们整个放映期间都坐在后排。
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3. The projector's beam needs to be focused precisely on the screen to avoid any glare or reflections.
投影仪的光束需要精确聚焦在屏幕上，以避免任何眩光或反射。