spectrographic造句

1、The result of the study demanstrated that the spectrographic analysis was a valuable method which…
作者认为，频谱分析是一种很有实用价值的客观定量分析手段。

2、Most AGE's are yellowish brown and fluorescent and have specific spectrographic properties.
大多数AGE是黄褐色和荧光的，并有特殊的光谱性质。

3、Spectrographic oil analysis technology has been used in the condition monitoring of diesel engines.
机油光谱分析技术已广泛用于内燃机车柴油机的磨损状态监测。

4、SPECTROGRAPHIC OBSERVATIONS OF NOVA CYGNI 1975
天鹅座1975年新星的光谱观测