The non-dispersive infrared method (NDIR) is used to measure CO, CO2 and HC;
使用非扩散红外线（NDIR）光吸收方法分析HC、CO和CO2质量分数；
Considering laser scanning technique, infrared method and electronic technology, studied and designed a set of infrared NDT system with laser scanning automatic heat loading method in this paper.
本文以激光扫描技术、红外技术及电子技术为基础，研究并设计了一套激光扫描自动热激励红外无损检测系统。
Considering laser scanning technique, infrared method and electronic technology, studied and designed a set of infrared NDT system with laser scanning automatic heat loading method in this paper.
本文以激光扫描技术、红外技术及电子技术为基础，研究并设计了一套激光扫描自动热激励红外无损检测系统。
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