名词
中文翻译：投影仪比较器
同义词：
['projection comparator', 'projector comparison例句：1. The new projector is much more powerful than the oldone.（新投影仪比旧的强多了。）']
例句：
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1. The new projector is much more powerful than the oldone.
新投影仪比旧的强多了。
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2.The projector comparator helped usto compare different images clearly.
投影仪比较器帮助我们清晰地比较了不同的图像。
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3. The engineerused the projector comparator tomeasure the distance between two points on thescreen.
工程师使用投影仪比较器测量屏幕上两点之间的距离。