The main technical target of spectrometer was introduced, and the key parts influencing spectrometer performance were analyzed.
介绍了仪器的主要技术指标，对影响仪器性能的关键单元进行了分析。
The working principle, basic structure and main technical target of the instrument is introduced.
介绍了该仪器的工作原理，基本结构，主要技术指标。
The working principle, basic structure and main technical target of the instrument is introduced.
介绍了该仪器的工作原理，基本结构，主要技术指标。
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