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1.The double spectroprojector is used to analyze the chemical composition of samples.
双光谱投影仪用于分析样品的化学成分。
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2.The new double spectroprojector has improved resolution and accuracy.
新型双光谱投影仪提高了分辨率和准确性。
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3. The double spectroprojector was developed to help scientists better understand the Earth's climate.
双光谱投影仪的开发是为了帮助科学家更好地理解地球的气候。