名词
中文翻译：三色单元
同义词：
['trichromatic element', 'trichromatic colorimeter']
例句：
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1. The trichromatic unit is used to measure the intensity of different colors.
三色单元用于测量不同颜色的强度。
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2. The trichromatic unit is essential for accurate color reproduction in photography.
三色单元在摄影中对于准确的颜色再现至关重要。
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3. The trichromatic unit is a key component in colorimetry.
三色单元是色度学的关键组成部分。