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.
简要介绍了WPP2型平面光栅摄谱仪常见故障现象，对故障产生的原因进行了分析，归纳总结了故障排除的方法与过程。
Common faults of WPP2 plate grating spectrograph are briefly introduced; the causes of faults are analyzed, and methods and processes for the debugging of faults are summarized.
简要介绍了WPP2型平面光栅摄谱仪常见故障现象，对故障产生的原因进行了分析，归纳总结了故障排除的方法与过程。
Common faults of WPP2 plate grating spectrograph are briefly introduced; the causes of faults are analyzed, and methods and processes for the debugging of faults are summarized.
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