A non-dispersive infrared (NDIR) spectrum analysis was used to design a carbon dioxide sensor which is non-modulating and double-wavelength.是什么意思_A non-dispersive infrared (NDIR) spectrum analysis was used to design a carbon dioxide sensor which is non-modulating and double-wavelength.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句