transmission spectnnn的用法和樣例：
例句
- The discrimination of true and false MOUTAI liquor was carried out by using NIR transmission spectroscopy and Gas Chromatrgraphy.
建立了採用近紅外透射光譜與氣相色譜分析相結合的方式鑒定真假茅台酒的方法及流程。 - The common used method of getting the absorption spectrum is to subtract the background spectrum from the transmission spectrum of the sample.
得到待測樣品吸收光譜的通常方法是，將樣品的透射光譜和不含樣品的背景光譜進行差減計算。
