常見例句雙語例句Moreover, there were certain differences in second derivative near-infrared spectra of the two samples.兩者薄層色譜與近紅外二階導數光譜也略有不同。www.zgyxzz.com.cnThe spectra were analyzed to calculate relative intensity ratio, bandwidth, as well as the second derivative spectra and Multi-peak Gauss fit of fluorescence spectrum.本文計算了熒光的相對強度比、半值寬度，對熒光光譜做了二階導數，以及譜圖分離等處理，對熒光光譜數據作了深入細致的分析。 返回 second-derivative spectra