名词
中文翻译：光谱日射计
同义词：
['spectrophotometer', 'spectroscope']
例句：
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1.The spectroheliograph was used to measure the sun's spectrum.
光谱日射计被用来测量太阳的光谱。
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2.The spectroheliograph is a powerful tool for studying the sun's energy output.
光谱日射计是研究太阳能量输出的强大工具。
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3. The spectroheliograph helped scientists to better understand the sun's behavior.
光谱日射计帮助科学家更好地理解太阳的行为。