1、The result of the study demanstrated that the spectrographic analysis was a valuable method which…
作者認為，頻譜分析是一種很有實用價值的客觀定量分析手段。

2、Most AGE's are yellowish brown and fluorescent and have specific spectrographic properties.
大多數AGE是黃褐色和熒光的，并有特殊的光譜性質。

3、Spectrographic oil analysis technology has been used in the condition monitoring of diesel engines.
機油光譜分析技術已廣泛用于內燃機車柴油機的磨損狀態(tài)監(jiān)測。

4、SPECTROGRAPHIC OBSERVATIONS OF NOVA CYGNI 1975
天鵝座1975年新星的光譜觀測