名词
中文翻译：摄影减光镜
同义词：
['photographic filter', 'photometric reducer']
例句：
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1. The photographer useda photographic reducer to adjust the exposure of the picture.
摄影师使用了一个摄影减光镜来调整照片的曝光。
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2.The scientist used a photometric reducer to measure the intensity of light.
科学家使用了光度计来测量光线的强度。
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3.The engineer used a photographic reducer to improve the quality of the image.
工程师使用了摄影减光镜来提高图像的质量。