一位英国天文学家在分析一台太阳光摄谱仪时，注意到一种特殊的光谱线模式，它与图书馆里的任何一种都不匹配。
A British astronomer was analyzing a spectrograph of sunlight, and he noticed a particular pattern of spectral lines that didn't match anything in the library.
方法：用平面光栅摄谱仪拍摄未知样品之原子发射光谱图，并作定量分析。 结果：测定营养品中微量元素的含量。
Methods:Use the Grating Spectrograph to take photograph of atomic emission spectrum of unknown sample and make quantitative analysis Results:Quantitative determination of trace elements in nutriment.
利用回归分析方法，对改进的小型摄谱仪测氢原子光谱实验的数据进行了处理。
The regression analysis method is used to deal with the data of the hydrogen atom spectroscopy experiment measured by small spectrograph.
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